Three to One Ratio (Simplified as 3:1 Ratio) is an in-progress Web Serial Novel. It is authored by Half Demon Cali, who also writes Mabaka! Magic is for Idiots! as her primary publication.
Takumi is what those in the afterlife call a genborei - A ghost who was never human to begin with. One who just appeared out of nowhere one day. He has a puzzling fascination with humans, has a 'body' that ages according to the Gregorian calendar, and has transluscent skin. He was also taken up as an apprentice to the Guardian of Space and Time, whom he nicknamed Yomi for ease.
Takumi's fifteenth deathday is closing in, which will be his second age of maturation. Another genborei, Kenga, inspires to use Takumi's latent energy for his own once they've evolved. So what does Yomi do? To keep Takumi out of reach, he sends him to Earth so his student can learn a thing or two about the beings he is so enamored with - Complete with a human skin.
For six months, Takumi will live at the Ishimura residence under the guise as a transfer student from Spain while handling the family's martial arts loving daughter, a classmate and guide who doesn't particularly like him, an Ambiguously Gay midget, and a girl who dyes her hair and changes personalities in and out of school. Nothing he can't handle.
Originally intended as a oneshot, the author has planned to make this a minimum of five chapters and a maximum of ten. If you know the author, however, then take that with a grain of salt.
Was removed from the internet but archived here
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Three to One Ratio provides examples of:
- Ahoge: Kintaro has three of them, all sticking out of his forehead.
- Ambiguously Gay: Kintaro.
- Big Eater: Takumi. How he's able to eat is a mystery, though.
- Cute Bookworm: Takumi, whom before heading to Earth usually spent his days studying up on mathematics and human history.
- Fish out of Water: Take a guess.
- Locked into Strangeness: Takumi has white hair as a ghost.
- Meaningful Appearance: As a human, Takumi has green. As a ghost, he has red.
- New Transfer Student
- Open-Minded Parent: Nanami Ishimura has no problem with letting her daughter sleep in the same room as a boy until they get the guest room cleaned out. As there was no fight, her husband probably doesn't either.
- Punny Name: Takumi is given the surname Hakuba as a human. Both his name kanji and surname kanji are spelled exactly the same. Takumi dreads this.
- Token Non-Human: Again, take a guess.
- Tsundere: Maiko Ishimura, quite obviously.
