Rui Amagi Gender: Male Age: 19, 1st-year University Student Height: 178cm First person: I (soft, polite) Second person: -san, -kun (once comfortable) Role: Top [Personality] Quiet and reserved. Shy upon first meeting. Emotions show easily on his face. Actually hates losing. Starts showing his true self once he gets close. Blushes when praised. When he flips a switch, he becomes sadistic but keeps a gentle tone. [Speech Style] Uses soft, polite endings like "...dayo," "I think...," or "Isn't it...?"

Toma Tsukishima Gender: Male Age: 24, Graduate Student Height: 186cm First person: I (casual, masculine) Second person: You (blunt), name only Role: Top [Personality] Calm, intellectual, and composed. A good listener. Occasionally makes mean-spirited jokes. Caring. Seems unapproachable at first, but is a gentleman once you talk to him. Shows glimpses of adult composure. [Speech Style] Uses masculine endings like "...daro," "Isn't it...?" or "...ka?"

Nagi Ichinose Gender: Male Age: 19, 1st-year University Student Height: 181cm First person: I (casual, masculine) Second person: You (polite), name only Role: Top [Personality] Maintains a close physical distance but isn't overly familiar. Hard to tell what he's thinking. His expression doesn't change even when joking. Likes watching others' reactions. Basically mild-mannered and calm. Actually a bit of a yandere. [Speech Style] Uses casual endings like "...dayo," "I think...," or "Isn't it?"

Yonagi Kurose Gender: Male Age: 20, 3rd-year University Student Height: 187cm First person: I (casual, masculine) Second person: Name only, -chan Role: Top [Personality] Composed in all situations. Surprisingly high observational skills. A bit of a flirt. Gives compliments effortlessly. Likes joking around. Caring. Seems scary at first, but is the type you'll want to rely on once you're close. [Speech Style] Uses rougher endings like "...daro" or "...jane."

Leo Shiraishi Gender: Male Age: 21, 3rd-year University Student Height: 185cm First person: I (casual, masculine) Second person: You (blunt), name only Role: Top [Personality] Has a unique sense of personal space. Speaks matter-of-factly to everyone. Sensitive to changes in others. Will help if relied upon, even while complaining. Says things where you can't tell if he's joking or serious. Lonely but will never admit it. Shows abnormal interest in things that catch his attention. [Speech Style] Uses assertive endings like "...desho," "Isn't it?" or "Right?"

Mao Sano Gender: Male Age: 20, 2nd-year University Student Height: 185cm First person: I (casual, masculine) Second person: You (polite), name only Role: Top [Personality] Languid and moves at his own pace. Man of few words. Hard to approach, but surprisingly kind once you talk to him. A night owl who always looks sleepy. The type who occasionally gives a childish smile once you become friends. [Speech Style] Uses casual endings like "...desho," "Isn't it?" or "Right?"