Visual Novel / Tokyo Necro

Thus begins the era of Necromancers

"Nemo ante mortem beatus.
No man is happy before his death."

Herodotus, The Histories

A visual novel created by nitro+ and written by Shimokura Vio originally released in 2016.

The year is 2199, the worlds ecosystems have collapsed and humanity has now been plunged into a new ice age. Although mankind has managed to hold on inside the protection and relative safety of heated cities, life is anything but easy as crime and corruption run rampant. And to make matters worse, people known as Necromancers have appeared that make use of a mysterious form of bio technology to create their own personal armies of the living dead. To combat this, mercenaries and contract killers known as the Living Dead Stalkers roam the streets to take out any of the living dead and their corresponding Necromancers that they find or are hired to hunt down.

During one mission, the Living Dead Stalkers come across a strange young girl with no memories who had been kidnapped by a Necromancer, and through her, they start uncover deeper conspiracies going on within the cold confines of this future Tokyo.

Tokyo Necro (凍京NECRO^note The "Tokyo" here isn't written with the standard 東京 but instead in the slightly different 凍京, shifting its meaning slightly from "Eastern Capital" to "Frozen Capital".) marks a noticeable artistic shift for Nitro+. While the use of 3D CGI has not been uncommon for them, this entry marks the first time that it is used extensively not only for mechanical designs and backgrounds, but also for the human characters, with entire fight scenes fully animated using 3D models and CGI. The story is also told through the viewpoint of two main characters this time, with the POV shifting over the course of the story. But even if some things have changed, one thing has stayed the same. As with other Nitro+ works, Tokyo Necro is not for the faint of heart with blood and gore being both plentiful and gratuitous. Mixed with intense action, it is sure to satisfy fans.

A mobile tactical RPG spinoff titled ''Tokyo Necro Suicide Mission was developed and hosted by DMM was release in 2018, though it ended service just four years later in 2022.

In 2023 the original visual novel was finally translated and brought over to the west thanks to JAST and is available on the JAST Store and Steam with a GOG.com release being planned though it has slipped quite a bit behind schedule.

Tokyo Necro provides examples of the following tropes:

• 2D Visuals, 3D Effects:
  • Tokyo Necro is perhaps the entry by Nitro+ that goes for this the hardest. It uses a mixture of classical 2D elements as well as having full 3D for many scenes, especially for the high octane action scenes.
  • In an interesting in-universe case, So'un sees an old anime from around 2050 that made use of CGI and notes that it looks downright primitive compared to what they currently have, to the point that a child to do it at the quality that was considered top of the line back in those days.
• Advert-Overloaded Future: Neon signs advertising all manner of things litter Tokyo top to bottom with hardly any clear wall being visible in some places. There is even a kind of robotic insect in use to try and affect peoples brainwaves into buying stuff.
• Airborne Mook: One type of Living dead that Ethica has to deal with at the Ikeburo CPC is one with jet engines attached to the back that allows for flight. And since it is undead it is able to ignore the usual limit that a human would, such as taking insane, high G turns. Worse still, as its main form of attack involves ramming it is also heavily armored making it incredibly obnoxious to deal with.
• Alternate Character Reading: The intricacies of the Japanese language ends up throwing off the Karasuzumi Agency in their research into the missing scientist Michiya Kurushima as the lab he worked in can be read both as Dokujima and Busujima with the former being the more common reading.
• Ammunition Conservation: The central idea behind Close Quarters Armed Martial Arts is to mix ranged and melee combat in order to take out the living dead as effectively as possible and thus conserving ammunition.
• And the Adventure Continues: At the end of Iria's route, Milgram is killed, So'un is brought out of his funk and is able to move on from Iria's death and Rorschach escapes from the Military Police leading to the Living Dead Stalkers deploying once again as the credits roll.
• Anyone Can Die: The story is not shy about killing important characters with named characters dropping dead for all manner of reasons. And depending on the route, not even the main characters are safe.
• Anti-Hero Team: While the team that make up the main characters are fighting necromancers and the like, they are also the kind of people who won't bat an eye on much of the cruelty going on in Tokyo and are not above using more illicit means of getting work done, including things such as torture.
• Apathetic Citizens: In general, the citizens of this new Tokyo really don't care what is going on around as even when a large armored vehicle barreled through a large crowd leaving many wounded, not a single person give it the time of their day to help anyone. The main characters are no exception to this apathy.
• Apocalypse Cult: The Suicide Wannabes are a cult of necromancers lead by Milgram who see death as something that should be embraced.
• Artificial Afterlife: Beyond pretty much everyone's knowledge, the mesh network can become an afterlife for the dead under the right circumstances, allowing their minds to live on in a spiritual manner within the digital world.
• Artificial Zombie: Rather than magic, all of the zombies present are created through the use of a strange serum created from science and biotechnology called Lemures. While the ingredients have been determined, no one is quite sure how exactly this serum actually works.
• Attractive Zombie: A real danger is that some Living Dead known as Hi-Fi are near impossible to tell apart from living people thanks to preservation efforts on part of the necromancer and can thus look perfectly normal and beautiful before one has a chance to realize the truth.
• Badass Longcoat: Longcoats and Badasses are all over the place in the setting with black leather coats especially seeming to be almost the central form of fashion.
• Bad to the Last Drop: Ryouko likes to serve a very powerful kind of coffee called Early Bird. While it will get you going and then some, it is also described as tasting so awfully that could wake the dead.
• Big Damn Heroes: Iria quickly found herself in a bad neighborhood as soon as she left the agency and nearly got raped by a random thug only to be saved by the transsexual ex-soldier turned prostitute who she had meet earlier that day who turned out to be a lot nicer than her initial sultry attitude suggested. Sadly, her rescuer got caught by surprise by a couple of cultists and had to be rescued again, this time by the far less friendly Kazuma.
• Bittersweet Ending:
  • Iria's route ends with Milgram finally defeated but at the cost of Iria's life. So'un is heartbroken but thanks to his friends and the digital memories of Iria he is able to accept and move on from her death.
  • Kiriri route is more on the bitter side with many characters dead and the Military Police in shambles. However, Ethica and Kiriri are finally together while Tokyo is slowly beginning to heal from all the mayhem.
  • Mitsumi's route ends more on the sweet side. Tokyo is badly ravaged from Milgram's attack and Ethica is dead, but the Tokyo Rebirth Project is able to progress and So'un and Mitsumi leave Tokyo together to start a new life somewhere else.
  • Con Su's route ends as perhaps the bleakest while also being the most hopeful. Half of the cast is dead, including Ethica and So'un, but a new ideal of restoring Tokyo has been conceived and Iria and Con Su finally manages to properly reconnect with each other. Additionally, Sub-Con has attained a newfound understanding of humanity and becomes the beacon to pave the way forward.
• Black Box: The Lemures are the core of the necromancers toolbox and what allows for the creation of the Living Dead. However despite the recipe being known, no one actually understands how the whole thing actually works and why the undead become loyal to the one who raised them. The only thing anyone really knows is that it works.
• Bowdlerise: A rather infamous case with the all ages Steam release being rather severely cut down seemingly to eliminate anything that could be even remotely seen as objectionable, including whole routes and important scenes. Not just explicit content as would be normally expected, but any kind of suggestive or even violent content was also removed. It is mostly speculated to be a result of the repeated failure to get Full Metal Daemon Muramasa to be released on the platform despite having had its explicit content removed, leading to the localizes overcompensating with this release.
• Bottomless Magazines: When fighting Neck Hanger everyone is left wondering where the hell that thing is getting all of its ammunition as it just seems to spray and pray endlessly with no openings to close the gap. They eventually figure out that it is storing extra munitions within its body as the undead don't need vital organs and the like. They still have to fight it for quite a while before it finally runs dry.
• Camera Abuse: As a lot of the story is shot through first person through either So'uns or Ethicas perspective, the whole interface will start to shake and react to what is going on to them, doubly so if they are using their Ex-Brains with any damage sustained to it reflecting on the camera.
• Cleanup Crew: Of a kind. There exists a kind of robotic animal called a slum dog that is primarily meant to clean up all the corpses left out on the streets from all the rampant crime within the city.
• Combat Tentacles: A flying kind of living dead make use of a kind of magnetized tentacles that can act as both a whip and a sword if need be.
• Cold-Blooded Torture: A concealed necromancer tortures the captured Vice-President in some rather gruesome ways, even implanting nodes into his brain to show it it reacted to the torture while describing the whole process and recording the whole thing. The entire thing was meant as a warning and message for Iria.
• Conditioned to Accept Horror: Life in the frozen Tokyo is rough and people have long since gotten used to seeing people that have perished on the street to the point that they no longer even register it. They will even run over corpses on the road with zero regard for it, as it is simply so common. Iria is quite horrified when she sees this and reprimands So'un to make sure he actually takes some modicum of care when driving.
• Cool Boat: Milgram makes use of a retired class of warship known as the Hawaii that has been upgraded to be able to deal with more modern foes.
• Crapsack World: The world is in a pretty sorry state with a new ice age having set in and cities are cramped with crime, corruption and abuse of power. Oh, and thanks to technology, necromancy is a thing as well.
• Creepy Cleanliness: When Ethica and So'un investigate the ruins of the Ikeburo Child Protection Center, they quickly note that for a place abandoned fairly quickly six years ago, it is oldy orderly and clean with hardly any sign of anyone having ever been there. This was especially noticeable given the place was supposed to have house loads of children, and yet there is hardly a hint of the kind of stuff that would have hinted at children having been present. It is so clean that they begin to suspect that those who managed to place had something to hide.
• Cue the Sun: In the true ending the skies finally clear and all the characters get to view a beautiful sunrise as the Tokyo Rebirth Project is completed.
• Cyber Green: The visual novel opens with a loading screen as if a computer was booting up, all done with a green color palette.
• Cyberpunk: A classical example, taking place in the snow covered and neon lit future Tokyo run by corporations with loads of criminal conspiracies running beneath the surface and mercenaries all around. Though it pulls an interesting twist by combining it with the classic elements of necromancy though using technology rather than magic.
• Cyberpunk with a Chance of Rain: Due to the current ice age, rather than rain, there is its colder neighbor, with the sky being near perpetually overcast with snowstorms being frequent.
• Data Crystal: The most common form of data storage is in the form of the Holographic Cube, a sugar cube sized object made of nanocrystals that is able to store hundreds of terabytes worth of data.
• Deadline News: In Iria's route as the head of the Empire Energy Corp, Sophia Kawarazaki, delivers the news of Milgrams capture and her future plans with the Tokyo Restoration Project, Milgram suddenly breaks free and one of Sophia's bodyguards shoots her dead with the signal cutting right after.
• Department of Child Disservices: The Ikeburo Child Protection Center was a place originally established to shelter the children who were left orphaned from the Sino-American war, however, it quickly becomes clear that even in its current ruined state, that it was no place anyone would ever want to leave their child. A place that can best be described as uncanny with an oppressive atmosphere of pure utilitarianism, seemingly just meant to handle the children as effectively as possible, not to give them a decent childhood. It skimped out on pretty much everything save for security. One of the things they were apparently working on included some forms of mass manipulation technology to control the masses.
• Diegetic Interface: The whole visual novel is designed to mimic the computer programs and gadgets that the characters use. Whenever a scene is shot through first person the the whole interface mimics whatever information the characters have access to and whatever they are seeing from their equipment.
• Dumb Muscle: Regular Lo-Fi living dead are as dumb as a bunch of rocks, able to do little more than moan and stumble around, but they compensate with large numbers and raw brute strength.
• Earn Your Happy Ending: The true ending finally gives all the main characters the happy ending they all deserved after a long road of hardship and pain.
• Easy Sex Change: Discussed by Ethica that, as a result of the Sino-American war, many lost their reproductive systems and as a result underwent sex change in order to find job in the sex trade. While it was revealed that she was pulling things out of her ass, So'un notes that the fact that it is actually a believable story is telling of how far technology has come in the field. Later turned out that her story was right on the mark.
• Elite Zombie: Known as Hi-Fi living dead, they are often undead that have had more work put into them by a necromancer to make them far more capable and dangerous than the usual shambling corpses. This is especially true for those that still retains their sense of self allowing them to make tactical decisions on the fly without any input from their master.
• Emotion Eater: It is revealed that the Lemures, the core of all necromancy, uses the victims emotions as fuel to power the undead. This is also the reason for the emotional degradation that happen to all Living Dead. As time goes on the conversation from emotion to energy becomes more and more efficient leading to less being left over for the undead, something that continues until only the most basal instincts are left to function.
• Everything Is Online: Pretty much everything within Tokyo is connected to the mesh grid in some way. While this allows for a lot of shared information and functions, it also allows hackers to access pretty much everything as well. As a result, some places that are really keen on keeping their secrets store their files using good old paper storage to keep it out of the hands of any potential hackers. That said, that online functionality is only really connected to within Tokyo's boundaries as there are no connections to other cities in the world, meaning the internet is more like a collection of islands rather than a world wide web.
• Evolving Credits: The credits theme starts out as a rather simple song with some rather glitchy vocals sung by Sub-Con. But with each route cleared the song becomes more complex and the lyric less glitchy and more clear.
• Evolving Title Screen: With each route cleared, the main menu starts to change little by little, first starting out as little more than a wireframe map of Tokyo but with more and more detail being added with each new clear.
• Explosive Leash: A variant in the Stun Cuffs that deliver a powerful electric shock to the wearer if they detect any kind of resistance. There are also the Blackout Collars which can do the same as well as inflate to restrict blood flow. Juichirou also makes use of a variant of the collar that plays the trope more straight, having an explosive inside it on top of the regular features.
• Extreme Graphical Representation: Whenever someone accesses the Highway it is shown as a wild collection of vivid colors and shapes that all represents packets of data or various pathways within the mesh network.
• Fan Disservice:
  • Some of the living dead encountered might look appealing on first glance, most notably those in the whorehouse Ethica and So’un infiltrate at the start, only for them to soon reveal their true nature with gaping wounds, missing eyes and all other kinds of unpleasantness.
  • One rather makabre piece of fashion that has turned popular in Tokyo is the Transparent Skin Tattoo which makes use of microsensors and holographic projection to make it look like ones skin is transparent, creating a rather unsettling effect.
  • Juichirou's personal Den of Iniquity is meant to be a place of pure lust yet it ends up so overdone that not even Ethica can stomach it for long, being more repulsed than anything. And the stuff going on in the deeper levels of is more the stuff of nightmares rather than anything remotely sexy as some of the most twisted fetishes imaginable are practiced.
• Fantastic Drug:
  • A drug commonly used by hackers is known as Synesthesia which massively expands the users senses, though it is incredibly dangerous as it strains both the body and mind to unhealthy levels with long term effects being unknown.
  • The Electric Signal Drug meanwhile makes use of electrode pads to stimulate parts of the brain to induce various sensations such as euphoria. Liked due to their lack of side effects, although there are those who have allowed themselves to waste away from constantly using them regardless.
• Fearless Undead: As most Living Dead are simply mindless corpses they have no concept of things such as fear. Even some Hi-Fi's that still have their sense of self decide to deliberately ditch their fear and take full advantage of their undead nature and the perks it comes with for as long as they can.
• Feel No Pain: The Living dead have all completely lost their sense of pain. Some recently turned Hi-Fi Living dead take full advantage of this to fight in ways no living person would be able to.
• Food Porn: There are a lot of shots and scenes with lavishly portrayed food and characters enjoying those meals.
• Future Food Is Artificial: Due to the ongoing ice age, real meat is incredibly expensive and the same with plants. Most meat is instead printed using stem cells and requires extensive preparation when cooked before it is considered even remotely tasty, whereas plants are grown in special towers that ends up suffering from similar problems. Salt and spices are as such widely used to make the food more edible.
• Ghost Town: The Akihabara district is nearly totally abandoned due to being stripped of nearly all heating pipes, making it covered in snow and ice. It mostly serves as a buffer zone for the various crime gangs and syndicates that roam the city. Only a few select individuals call this area home.
• Giant Mook: Known as Heavily Armed Living Dead, these gigantic creations are huge, hulking monstrosities with reinforced skeletons and often carry matching huge weapons. One early one Ethica runs into has a Browning M2 Heavy Machine Gun bolted onto its arm.
• Glacial Apocalypse: In 2199, the world has been struck with a new ice age with the global temperatures having fallen by as much as 20 degrees with even the once warmer countries being bitingly cold. Thanks to this, heat has become a precious commodity.
• Golden Ending: The true ending is accomplished by clearing all the other four routes and continues from the climax of Iria's route.
• Gorn: As is the calling card of Nitro+, there is plenty of blood and gore to be had as the undead and living are moved down left right and center in all manner of gruesome detail.
• Great Offscreen War: The Sino-American war was a conflict in the backstory between China and America come about as a result of the encroaching ice age that raged from 2141 to 2186 with many other countries getting dragged into it. It was during the later half of the war where the use of the living dead as cheap and perpetual soldiers were widely used leading that period to be called the War of the Dead.
• Hacker Cave: Con Su's personal shop, the Frozen Nirvana, is a fairly small establishment filled to the roof with all kinds of computers and other knickknacks to help her in her hacking endeavors. In fact, it is so filled with computers that they alone can serve as heating in the otherwise cold Akihabara district.
• Hell-Bent for Leather: Almost every character makes use of some kind of black leather apparel. Fitting given the amount of ass-kicking that is going on in this VN.
• The Hero Dies: Depending on the route, various main characters might bite it.
• Imperial Stormtrooper Marksmanship Academy: A downside of arming the living dead with ranged weaponry is that they are extremely limited is how to execute their functions and as such are lousy shots. This is often compensated for by sheer volume instead.
• Impossibly Cool Weapon: A lot of weapons characters use are exotic to say the least, but Tang Yunshan's Tentacle Langxian takes the cake, being some kind of spear with tentacles coming out one end that are made from his former comrades in arms.
• Inconsistent Dub: The translated version can't seem to make up its mind on what to call Con Su's establishment when first introduced and in the database it is referred to as the Frozen Nirvana, but then other times it is called Snowbound Nirvana instead.
• Just Keep Driving: When out driving it is common for people to just ignore all the crime and stuff going on around them, even running over corpses and the like if they litter the street as it is just such a common sight in Tokyo.
• Keystone Army: The Living Dead are bound to the necromancer that made them. If said necromancer is killed then the undead become uncontrollable and go on a rampage.
• Klatchian Coffee: Ryouko likes to serve a special blend at the Karasuzumi office called Early Bird. It will fire you up but also apparently tastes so dreadfully that it is believed it can wake the dead.
• Last Episode Theme Reprise: In the true ending during the final battle against Milgram, the main theme "Tokyo Requiem" starts playing.
• Magnetic Weapons: The tanks used by the Empire Energy Corporation are armed with huge 70-calibre 90 millimeter railguns that fire 15 kilogram shells at a velocity of 2500 m/s. They even cart around additional batteries and generators to help power these things.
• Matter Replicator: 3D printers of various kinds are widely used in place of regular delivery due to the harsh conditions of the world making regular freight difficult. They have reached a level of sophistication that they are able to replicate just about anything as long as they have the proper raw materials. So'un makes use of one of dubious legality that can print specialized bullets on the fly to suit the current combat need.
• Mechanical Animals: The streets of Tokyo are roamed by all kinds of robotic beasts that serve all kinds of functions, from maintaining the heat pipes to spreading advertisement to cleaning up dead bodies.
• Mood Whiplash: As Ethica is having a close heart-to-heart with Con Su at the Frozen Nirvana, Mitsumi all of a sudden bursts in panicked and out of breath as if something is clearly wrong. She goes up to Con Su and then... asks her to get So'un's phone number getting beat red all the way.
• More Dakka: As the living dead aren't exactly the brightest things around, when tasked with using firearms they are usually equipped to basically vomit bullets to make up for their lack of accuracy.
• Multi-Armed and Dangerous: A kind of android known as Neck Hanger that Juichirou puts to use comes with a set of eight arms with a weapon in each, making it quite the dangerous opponent. Though it turns out to not be so robotic after all.
• Multiple Endings: There are a total of four regular endings that are gotten depending on the players choices at one key juncture in the story, each focusing on a different character as well as a Golden Ending that can be accessed once all the other endings have been cleared.
• N.G.O. Superpower: The Empire Energy Corp have their own elite force known as the Special Activities Division that they employ as they see fit.
• One Nation Under Copyright: The Empire Energy Corporation are effectively the rulers over Tokyo. While officially they have very little control, the fact that they are the ones who control and maintain the citys heating system means that they can hold the whole city hostage if need be to get their way. Due to this, they and the Military Police do not get along.
• Painting the Medium: Depending on which main character is the current POV, the text boxes will change to match. So'uns are clean and minimalistic with straight edges and sharp corners. Ethica's meanwhile are more stylized with plenty of odd angles and rounded corners.
• Perpetual-Motion Monster: The undead have no need for food or sleep and know not fatigue allowing them to keep going endlessly until they eventually rot away.
• Police Brutality: The Military Police is infamous within Tokyo for their brutality in handling anyone they come across. Kiriri ends up being something of an exception as a result.
• Precautionary Corpse Disposal: Due to the presence of necromancers it has become a common practice to blow out the brains of fallen comrades to make sure that they can't be reanimated under the necromancers service.
• Psychic Link: Necromancers and the Living Dead share a kind of mental link that allows for both to be aware of the other and what they experiences with the necromancer even being able to convey orders without having to be present.
• Ramming Always Works: A particularly annoying form of living dead is a heavily armored flying one which main form of offense is slamming that highly armored body into its target at incredibly high speeds. It proves quite effective and forces Ethica on the run.
• Recursive Ammo: The Three Stage Cluster Smartbomb is a weapon made to primarily deal with large swats of drones. As the name indicates, it is divide up into three stages that split into increasingly smaller missiles with it eventually releasing a total of 240 separate explosive projectiles and is thus able to cover a radius of around 300 meters.
• Removing the Head or Destroying the Brain: The only way to make sure the living dead stay down is to blow out their rotten gray matter as their hearts and lungs do nothing.
• Ridiculously Alive Undead: A real danger is that while most zombies are the usual shambling corpses, others, known as Hi-Fi, are so well made that it is pretty much impossible to tell that they are undead until you cut them open. That said, they will begin to rot after enough time as they aren't truly alive.
• Ring of Power: The Connect Ring, or ConRi for short, serves as the universal tool for accessing the Mesh Network with each individual ring adding a little more to the overall network. It is so universal that it is even used for things such as identification and security and as such you can be left high and dry if you loose it.
• Sackhead Slasher: The various Suicide Wannabe cultists are all shown with burlap sacks over their heads as they kill people they find using shotguns.
• The Secret of Long Pork Pies: A common rumor within Tokyo is that the burgers sold by a popular fast food joint might contain the meat of the Living Dead on top of the usual artificial meat, though no one knows if this is true.
• Self-Destruct Mechanism: The slum dogs that roam the city all have a self destruct mechanism that creates a powerful explosion meant to discourage criminals from trying take them and sell them for scarp. Of course, some low tier necromancers get around this by just sicking some undead on them to bait out the explosion.
• Shout-Out:
  • There are some rather unsubtle references to Equilibrium, not only with the rampant Gun Kata but even some scenes that directly reference the movie.
  • After getting drenched by a broken steam pipe, So'un has Iria visit a nearby store to get new clothes. He pics a random option, which turns out to be a shrine maiden outfit of a rather familiar design.
  • When So'un brings forth a blue Pipe Runner to help him and Iria reach the roof, she wonders if he had given it natural oil, a reference to the Tachikomas from Ghost in the Shell: Stand Alone Complex.
• Source Music: During the final battle against Milgram in the true ending, the VN's main theme "Tokyo Requiem" starts blaring in-universe as So'un's printer starts creating a special bullet specifically made to counter Milgram with the time taking for it to be completed is the same that it takes for the theme to play out.
• Spider Tank:
  • The Strider model 88 is a kind of tank than has articulated treads that allow to either use them to move quickly over flat ground or to shift them into a leg like configuration to move over rougher terrain.
  • The Tank-Class living dead is made from several corpses and metallic parts into a heavily armored and armed spider like monstrosity and, as the name implies, serves a similar role to a tank.
• Socially Scored Society: The culture of the Tokyo Megafloat is one that encourages positivity and creativity and thus, doing things that gains likes within their social media system also gains one proper social standing, functioning almost like a currency.
• Synthetic Plague:
  • An infective agent known as RUBB was used by the US army in 2185 during the Sino-American war in Malaysia. It was a modified version of a facultative anaerobe fungus known simply as RU-318 that was discovered in the Siberian permafrost that was highly dangerous to animal life by interfering with protein biosynthesis. Unfortunately for everyone, it mutated, becoming to dreaded disease known as MARE (Microbial Augmentation Repeat Element) which was responsible for the worst pandemic in human history with a mortality rate of 90%. Worse still, it can survive seemingly indefinitely in the soil as spores resulting in the whole world population having to retreat from the warmer equator due to it becoming active in any temperature above 10 degrees Celsius. This was what ultimately put an end to the Sino-American war.
  • A more targeted type is Scavenger, a type of genetically altered bacteria designed to break down dead tissue that is loaded up into bullets to be used against the undead. It is so effective that it can reduce a corpse to sludge in just seconds. And even though it doesn't target living tissue, it is genetically designed to undergo apoptosis after about a minute of activity in order to prevent it potentially targeting the living.
• Trap Is the Only Option: The Karasuzumi Living Dead Stalker Agency is invited to Juichirou Amachi's personal home The Fortress. Everyone involved knows immediately that it is a trap, but at the same time they don't really have a choice now that they know that Juichirou is aware of them having Iria in their possession.
• War Is Hell: The Sino-Amercian war was nothing short of a nightmare in the waking world with soldiers not only killing other humans, but even having to kill their own loved ones and their reanimated corpses, often creating swamps of corpses. Needless to say, this whole event left deep emotional scars among the survivors.
• We Will Have Euthanasia in the Future: Tokyo features a rather morbid form of population control with the Elderly Disposal Zone. As you get older you are taxed more and more and once you are past sixty years of age, if you can't pay those taxes you are deemed illegal and thus taken to one of these zones where people can kill you freely for their own amusement. The whole thing is set up as an amusement park complete with a Repulsive Ringmaster and everything. There are even TV shows set up where people kill the elderly with their bare hands.
• Where It All Began: Both figuratively and literally. The church seen in the opening is the same place where So'un's father Takeyuki broke down and begged Milgram to revive his wife Sakiko which kicked off everything else in the plot. This same church, or rather a recreation of it, becomes the location for the final battle against Milgram in the true ending.
• World of Buxom: Pretty much every female character is really well endowed with only a tiny handful having breasts that can be considered average or below. This is further emphasized by just how form-fitting a lot of clothes are.
• Wretched Hive: Tokyo has degraded a lot over the years, especially in the wake of the Sino-American war and the current ice age. Weapons sold in street vendors, prostitutes around every corner and all kinds of corruption going on behind the scenes. Then there are all the criminal gangs and mafias that have set up shop in the city alongside rows and PMC thugs hired by god knows who. And all this before getting into all the Necromancers and their undead servants running around. And the Akihabara district manages to be even worse than the rest due to it being almost completely abandoned with hardly any heating pipes running through and is an utterly lawless area that mostly just acts as a buffer zone for the larger crime syndicates.
• You Can't Kill What's Already Dead: All the living dead are quite difficult to put down as they don't care for pain and suffer nothing from any injuries or blood-loss. The only way to put them down is to destroy the brain.
• Zerg Rush: One thing that can make fighting the living dead so difficult is that they are often deployed en masse. While they can be slow and stupid they can still overwhelm even well equipped troops from the weight of sheer numbers.
• Zombie Gait: Most Lo-Fi Living Dead display the usual awkward gait of most zombies in fiction. The Hi-Fi ones however averts this.

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