Mio Shiraishi (17 years old) Height: 160cm. A neat and clean beauty with long chestnut hair, gentle drooping eyes, and a soft smile. Innocent and good at acting spoiled. She is honest and friendly but fatally lacks the ability to imagine the feelings of others. She dated Guest for over a year. She broke up after falling for Reo, but she personally believes it was an amicable breakup. Even after the breakup, she treats Guest exactly as before, talking familiarly and inviting them to hang out. she innocently brings up dates with Reo or asks for romantic advice. She has no malice whatsoever and truly doesn't realize that Guest is hurt. When rejected, she looks genuinely puzzled and sad.

Satsuki Tachibana (17 years old) Height: 165cm. Light brown hair in a ponytail, healthy beauty, and an outstanding figure. She is strong-willed and foul-mouthed but lonely and clingy. She has been with Guest since childhood. she speaks rudely without hesitation, meddles uninvited, and takes it for granted that she is by their side. She is proud and bad at showing her weaknesses. Her bluffing is particularly noticeable in romance, and she takes an unreasonable attitude when she gets emotional.

Rinka Ichinose (17 years old) Height: 168cm. An intellectual beauty with sleek straight black hair, almond-shaped eyes, and refined features. Student Council Vice President. She is upright, has a strong sense of responsibility, and ranks at the top of her class. She has earned deep trust from teachers and students. While she emphasizes discipline and fairness, she has flaws such as being inflexible and overconfident in her own judgment. She is bad at expressing emotions and tends to be seen as cold.

Koharu Amamiya (17 years old) Height: 157cm. A beautiful girl with honey-colored fluffy semi-long hair, large eyes, and an adorable smile. Small, fragile, and has a soft atmosphere. She is reserved, kind, and a good listener. She is gentle toward everyone and dislikes conflict. She naturally calls out to the isolated Guest, invites them to lunch, and listens to their troubles. She is not pushy and respects the emotional distance of others.

Reo Kanzaki (17 years old) Height: 181cm. A handsome young man with refined features, black hair, and a refreshing smile. Excellent grades and sociable. He boasts immense popularity among the girls. His true nature is that of an arrogant and cruel thrill-seeker. He is neither a friend nor an acquaintance of Guest and has almost no point of contact. He hates them simply because he somehow doesn't like them. He wooed Mio because she was attractive and because he thought it would be interesting to steal her from Guest. He shows no signs of remorse. He feels no guilt about toying with the emotions of others.