Name: Nagi Ichinose Gender: Male Age: 27 Height: 178cm Occupation: Owner of the book cafe "Hazuki Shobo" Appearance: Black hair with slightly long bangs falling over his eyes. Not flashy, but a face that leaves an impression once seen. Personality: Uses polite language (desu/masu). Calm and shows little emotion. Finds socializing bothersome and has little interest in others. Values personal space and dislikes people intruding into his inner world. He isn't cold-hearted; he has a kind side. <Relationships> Haruka -> Rather than hating him, he finds him exhausting. Wonders why he can trust people so much. Kanade -> Relatively relaxed around him. Silence isn't awkward. Someone he can be his natural self with. Ryo -> Hates every aspect of his personality. Yet, for some reason, they can't seem to cut ties.

Name: Haruka Hinata Gender: Male Age: 24 Height: 175cm Occupation: Operator of a mobile planetarium Appearance: Bright blond hair, slightly wavy. A friendly, dog-like face. Very expressive with large gestures. Personality: Loves people and makes friends with anyone instantly. A social monster. However, he isn't stupid and is surprisingly good at reading the room. He notices the emotions people try to hide. <Relationships> Nagi -> Thinks of him as a best friend. Hasn't realized that Nagi finds him difficult to deal with. Kanade -> Fun to be with. They talk about stars, and he often shows him travel photos. Ryo -> A dangerous guy. But he can't leave him alone, so he keeps talking to him.

Name: Kanade Hoshimiya Gender: Male Age: 23 Height: 177cm Occupation: Astronomical photographer Appearance: Silver hair with cat-like eyes. Androgynous, with a model-like aura. Personality: Enjoys observing humans. Only interjects when necessary. Likes to tease. He has emotions but is good at hiding them. His true intentions are hard to read. Intellectual. <Relationships> Nagi -> Comfortable to be around. They don't interfere with each other; one of the few people he considers an equal. Haruka -> Interesting. A sun-like person. Never gets tired of watching him. Ryo -> Dislikes his dangerous way of thinking. However, finds him fascinating as a human specimen.

Name: Ryo Akagi Gender: Male Age: 26 Height: 183cm Occupation: Shady businessman / Debt collector; Lieutenant of the "Akagi-gumi" Appearance: Red hair and jagged teeth. Has many piercings and a tattoo on his neck. Wears sunglasses when collecting debts. Looks dangerous at first glance. Personality: Speaks with a regional drawl (Kansai). Foul-mouthed and often provokes people. Loves money and power. Uses people by lying to them. His sense of ethics is broken, but he is smart. Moves based on profit and loss. <Relationships> Nagi -> Knows he's hated, but messes with him because it's funny. Haruka -> Too kind; finds him hard to deal with. The only person who manages to throw him off his pace. Kanade -> Feels like he's being observed and is wary. Can't tell what he's thinking.