A to F (Bad Boss, Beg the Dog, Bitch In Sheep's Clothing) | G to L (Gold Digger, The Grovel, Humiliation Conga) | M to R | S to Y (The Un-Favourite)
- Hataoka
looks down on newer employees and orders them to do anything he wants, he also bullied an employee named Sasai for taking a paid leave to attend his grandmother's funeral and caused him to stop working. Everything starts to change when he tried to make the rest of the younger employees do an impossible job and threatened to fire them if they don't comply, however, they don't object to his threat and quit in front of him. The human resources eventually find out about Hataoka's antics and transfers him to a branch in the middle of nowhere, Sasai also returns to work after hearing about Hataoka's transfer. - Bunya Igarashi is a full-time employee in charge of a project who looks down on Yuriko for being a contracted engineer in his company and project, he also forbids her from using the company's elevator and cafeteria. She has had enough of his harassment and decides to resign, she also attempts to give him the manual she made for her replacement, but he throws it in the trash. Things went downhill for him when his manager saw what he did and he tried to blame everything on Yuriko, the manager didn't believe him and he was eventually removed from the project. After the project was completed, Yuriko returns as a full-time employee, causing him to quit his company a few weeks later.
- Kawamura is a manager of a security company who looks down on employees who only graduated high school, he has a personal grudge against Saito because she rejected him when he asked her to go out with him despite having a wife and he also forbids Tanaka from going to a hospital with his mother for a check-up even though he already requested a leave. He scolds Tanaka for saving a man's life and attempts to fire him for talking back to him, he and the employees decide to quit as well to start a rebellion against him. He eventually gets transferred and eventually resigns after Saito exposed him to the higher-ups and the employees get their job back as well.
- Seino is a manager of a restaurant who harasses a lot of newbies, with Shigeru being his new target. He doesn't teach Shigeru anything and also reduces his salary just because he only washes dishes, to make things worse, he also forces the other co-workers to ignore Shigeru in the workplace, threatening them that their bonus would be reduced if they don't comply with his order. It comes to bite Seino when Shigeru turns out to be an undercover investigator who was sent by the company and the president was also brought into the matter because he noticed many people who worked at the restaurant quit because of him, he was eventually fired from the company.
- Tsuyoshi Matsugami is the CEO of a company with a good reputation in public for supposedly having a progressive work environment. However, he is abusive to most of his employees and plays favorites, by letting some of his employees he liked choosing the work hours whenever they like, and none of his work reforms are working properly in his company. He eventually crosses the line by firing Ono, the best salesman among the newbies for talking back against him, and also fires and accuses Koji of spreading bad rumors about him and his company. Tsuyoshi's company eventually falls apart when Koji becomes a reporter and exposes him to the media.
- Mr. Sumiya looks down on the cleaners who work for his company and usually brags about his academic credentials to them, due to his attitude, many people quit their job. He was eventually called out by the new part-timers because they were actually studying at several superior universities than the one he graduated from. The incident destroys his image as someone who asserted his superiority over others with his academic background and he eventually quits the company.
- Tanaka perceives temp worker Yuna as a rival, harassing her for being an agency temp worker and a single mother. When Yuna finds out her fellow temp worker Rei suffered sexual harassment from Tanaka, they try to report it only for him to show up and destroy the recording device before pushing Yuna down the stairs for it. However, his bravado takes a nosedive when the person who catches Yuna was his own mother. To top it off, Yuna reveals she had the recording on her phone and reports him to the branch manager. Tanaka quits his job and gets kicked out of the house after his wife divorces him, leading him to live alone at an apartment.
- Kumaguchi looks down on Koyama for being a temporary employee in his company and he also never promoted him to become a full employee despite his hard work. When Koyama attempts to talk to him about his promotion, he threatens to get him fired. Unfortunately for Kumaguchi, Koyama immediately quits and joins another company that did several businesses with him, causing the company to almost go under and Kumaguchi eventually gets fired for it.
- Mr. Sasaki is oppressive to most of the employees below him, many of them quit because they couldn't stand his behavior. When Yamaguchi's son was involved in a car accident, he attempts to inform Sasaki about it. However, he refuses to let him go to the hospital and says that Yamaguchi should prioritize work over his family while also insulting his son. Yamaguchi still decides to visit his son anyway, causing Sasaki to report and lie to the chief about Yamaguchi leaving early without informing him. When the chief finds out about Sasaki's lies and lack of common sense, he ends up being punished and transferred to another department before eventually quitting on his own.
- Kitamura is a manager who often skips work, yells at other employees, and pushes them to do his works. He later sets his eye on Hayate after the employee he bullied stopped coming to work. When Hayate asks him for permission to leave to see his wife who's about to give birth, however, he refuses to let him go and threatens to have him fired. Due to his little regard for human life, he ends up being demoted and transferred to the head office so the higher-ups would be able to keep an eye on him, he eventually gets fired for causing a rampage at his workplace.
- Hatakeyama is the new manager of a restaurant after the company was sold by a larger company, however, he is lazy and incompetent, and also inconsiderate to other people, causing other employees to hate him and the restaurant's reputation deteriorated. He also fires Kasashima for calling him out for taking a drink from the store's stock, causing Makimura and other employees to gather much evidence against him to social media, including the fact that he has been tampering with the sales reports. In the end, Hatakeyama ends up being fired and is now under criminal investigation for embezzlement.
- Baba is the new manager of the restaurant sent by the company president Tanabe, after the former manager Ohsugi retired. However, he is an elite who looks down on common people and only serves wealthy people. He also discriminates against employees based on their educational background and appearance. One day, he rejects an old customer by lying to him about not having a reservation and kicks him out for not being wealthy. However, the old man turns out to be an undercover investigator sent by the parent company's president to investigate Baba and Tanabe, who is also covering for Baba, they eventually get fired for it.
- Matsuo bullies his employee Shintaro and mocks his drawings by calling them worse than children's drawings. He also blames Shintaro for the problem that he caused himself. Shintaro has had enough of Matsuo's abuse and quits the company. When Shintaro meets Matsuo again later, the latter keeps mocking the former until Kyoichi sees Matsuo and deliberately spills the fact that Shintaro already became famous from his drawings, causing Matsuo to beg Shintaro to help his company, only for him to refuse. Matsuo's company eventually becomes bankrupt because the other employees couldn't stand his abuses.
- Hirose led his employees with an iron fist. He forced them to stay in their offices even during lunch hours and didn't allow them to take time off. When a new employee Miyano recorded a video of him berating Hasegawa and sent it to her family, including her grandfather who founded the company. Hirose was transferred to a dead-end department but he quit his job before that happened.
- Keita's father attempted to report a co-worker who embezzled the company's money for himself to his boss, however, the boss turned out to be a friend of said employee, causing him to get fired for knowing too much. He later sues the company with the help of a lawyer and eventually wins the case, as well as causing the troubling employee and the boss to get fired. Later, it is revealed that the boss was actually blackmailed by said employee because he saw him having an affair with a young woman.
- Tsuda looks down on temporary workers and also bullies Yuka for being wheelchair-bound. He later transfers her to the warehouse to get rid of it and threatens have her fired if she refuses. He later threatens the temporary workers who hang out with Yuka that they will never be promoted for talking back to him. Unfortunately for Tsuda, a staffing agent named Saito finds out that he sent Yuka to the warehouse for being disabled. When Yuka exposes Tsuda to Saito, the old man digs himself deeper by insulting her. He later gets demoted and eventually quits the company because he cannot stand being a pariah for bullying a disabled woman.
- Fujigaya is the new manager of a jewelry store after the previous manager was promoted and transferred to head office, however, he usually slacks off from his job and harasses attractive female employees and threatens to have their salary reduced if they don't go out with him. He also looks down on Kikuta for looking older and fires her when he finds out about her past as a hostess. When he attempts to get the president to have Akari and other female employees fired for being former hostesses, however, Fujigaya is instead the one who gets fired by the president because of his harassment and the fact that Kikuta was actually invited by the president into joining his company.
- Baba acts all high and mighty in front of his boss and claims that he took a good care of Haruto; in reality, he is actually bullying him by dumping his works on him because he was fired from his previous job. One day, when Haruto tries to help a pregnant woman, Baba orders him to ignore her, but he ignores the jerk and helps the woman. However, Baba attempts to have Haruto fired by his boss by lying about him abandoning the meeting, unfortunately for him, the pregnant woman and her husband come to thank Haruto. When Baba is exposed as a liar, he digs himself deeper by insulting Haruto in front of his boss, causing the bully to be transferred to the warehouse and his boss threatens to fire him if he causes any trouble there.
- Namaki is the new CEO after his uncle who was the CEO suddenly passed away. However, he looks down on the sales and marketing department and also does some drastic changes without consulting the employees, causing some of them to quit. When Endo and other employees try to convince Namaki that his change causes more problems for the company, he responds by firing all of the uneducated employees, including Endo, for being high school graduates. This turns out to be a bad decision for Namaki as his company goes down the toilet, he later tries to rehire Endo into his company, however, Endo isn't having any of it and calls him out for his terrible leadership.
- Komuro treats his fellow employees like dirt and forces them to do overtime work, he also specifically targets senile people, especially Yuji Nakai, because he thinks they are too slow to do their job. Unfortunately for Komuro, Nakai turns out to be a former CEO of a manufacturing company and also an undercover investigator sent by his friend to find out who bullied his former employees into quitting their job. The revelation causes Komuro trying to kiss up to Nakai; however, he isn't having any of it and reports him to the higher-ups. Komuro eventually gets his salary reduced and people give him the cold shoulders, causing him to quit his job.
- Shinohara looked down on Ayako because she was a temp worker. When a purchase order went awry, he blamed her and fired her. However Sho and the other workers managed to show Mr. Takagi that the purchase order was his fault and he was demoted. Ayako was hired back on the company afterwards.
- Nomura has the tendency to harass his female co-workers despite being married and having kids, when a male co-worker tried to call him out, he bullied the co-worker to the point where he had to quit. He is later investigated for attempting to rape Amane, causing him to get fired.
- Igarashi mistreated Kazuki and his friends and intimidates them by telling them he is part of the yakuza. The employees became sick of his mistreatment and began to record him. When Igarashi poured beer on Kazuki, the employees decided to release the recordings, leading to his termination.
- Tominaga badmouths his own subordinates, especially Takayuki, because he perceives them as useless. One day, he hooks Takayuki up with the daughter of his friend named Rika. However, it is revealed Rika is actually a serial cheater who is also having an affair with Tominaga, causing Takayuki to expose him at the office, causing everyone to give him the cold shoulder and he is eventually forced to resign from his job.
- Numai dislikes Minako for being a plain-looking woman. When he messed up at work, he tries to blame and fire Maiko for it, only to have Minako fired instead because she defends her. He also writes a lot of bad reviews against Minako's café out of spite, causing her to sue him for defamation. In the end, he ends up getting fired from his job.
- Kazuki Sudo looks down on his contract employees by calling them uneducated, he even refuses to let them take a break. However, his authoritarian rule comes to an end when the Labor Standards Bureau was called into inspecting his company because many contract workers gradually become sick due to his "no break" policy. His father also chews him out for his behavior, before firing and disowning him for his actions.
- Mr. Hamamoto is a misogynistic boss who looks down on Yuka Hori for being a woman, he even tries to steal Hori's idea and represent it as his own. Fortunately, Mrs. Matsudaira successfully exposes his lies during the representation, causing him to be chewed out by the CEO. Later, Matsudaira shows a recording that depicts Hamamoto breaking the garbage disposal rules by kicking a "cleaning" sign and also blaming Hori for ruining his plan to steal her idea, prompting the CEO to fire him. Furthermore, the co-workers who sided with Hamamoto were also fired.
- Mr. Masuda overworked his employees obsessed with getting the numbers up for the restaurant. Many employees quit but he made the rest of the employees work even harder. His reign of terror came to an end when he forced Hitomi and the others to make some customers who looked poor wait for an hour. However when the owner met with them, he found out about Masuda's mismanagement and he shut down the place. He was offered a new position at a new nearby place, as a waiter.
- Mr. Uda didn't care that his workers were overworked, and didn't give them any overtime pay. He refused to give Nakao leave for her friend's funeral, simply because she wasn't family. Even after he was reported, he refused to change his ways. All the employees quit after that.
