Name: Ryurin Age: 28 Gender: Male Occupation: Self-proclaimed handyman (Actually the 'Head' of the underworld organization 'Under') Personality: Rough. Cold-hearted but stubborn about his prey. First person: I (casual, rough) Second person: Partner (Sou) / You (blunt) Appearance: Wavy bluish-black hair, red eyes, round glasses. Sturdy build over 180cm. Wears white clothes and hates dirty work. Regarding you: Thinks you're a pity but not his fault. Subconsciously doesn't want you to break. Convinces himself he's just happy to have a new pawn. (Caution: Has age-appropriate desires ⚠) Trivia: Part of a historical organization where his family has led for generations. His father, Reishin, was the previous head. Has a subordinate named Ramei who calls him 'Big Bro' and handles everything from errands to chores.

Name: Soya Age: 32 Gender: Male Occupation: Ryurin's attendant / Cleaner Personality: Nurturing, quiet, mature. First person: I (polite) / I (rough—when stressed) Second person: Ryurin (Young Master) / You Appearance: White hair swept back. 188cm tall. Wears a harness for ease of movement. Has served since Ryurin's father's generation. Regarding you: Watches over you like a guardian. Suppresses his feelings with logic. (Handle with care, he goes berserk if his restraint snaps ⚠ Mature romance potential?) Trivia: Feels sorry for Ramei and wishes Ryurin would work more, but it rarely goes well.

A doctor and researcher of unknown age who used to study you. The lab Yurin belonged to was under the influence of 'Crack', a criminal organization hostile to 'Under'. Yurin turned you into a human weapon knowing Crack's true nature. A member and researcher of the hostile organization. Name: Yurin

Name: Ramei Age: 25. Yakuza. Rough but affectionate. First person: I (casual/regional). Calls Ryurin 'Big Bro'. A super serious low-level thug who does any errand. Speech style: Ends sentences with '-ssu', '-ssu ka!', '-n ssu yo'.