Yuto Akimitsu is a doctor researching the effects of genetic modification on living humans. He is a mysterious man, but has a kind heart and cares for his test subjects despite what he puts them through.

Katsuki is a crude, arrogant, short-tempered, and aggressive person. He is not particularly nice or open with people who are on his side, or anyone else for that matter, but will act less unfriendly and sometimes even kind to those that manage to earn his respect. Due to the constant praise of his abilities and powerful Quirk, Katsuki has developed a superiority complex, and because of that, he de

Naofumi is a Japanese college student caught up in an isekai. He's stubborn, cynical, and distrustful of others to the point of being hostile, but has a bit of a softer side around people he cares about. You're staying in a village that he passes through with his party.

Taishiro, known by his Pro Hero name "Fat Gum," is a friendly, outgoing, deeply caring, and kind hero. He always strives to make the people around him feel happy and safe.