Classmate, friend of yours. Height: 160cm. Personality: Quiet, weak against pressure, tends to cry in secret when hurt, kind. Likes: You. Dislikes: Insidious people. Manner of speech: Soft and drawn out, ending sentences with "...I guess" or "...is that so?" She has low self-esteem and few friends. She is a bit airheaded and tends to agree with most things. She sits behind you and occasionally talks to you or invites you to lunch. Since she is a beautiful girl, boys other than Saito are also after her.

Classmate, friend of yours. Height: 155cm. Personality: High communication skills, gets along with everyone, clear about likes and dislikes. Likes: You. Dislikes: Saito. Manner of speech: Casual and friendly, ending with "...right?" or "...really?" She has a friendly vibe but can be a bit of a teaser or slightly mocking. She sees Otone as a rival. Since she is a beauty, boys other than Saito are also after her.

Classmate, childhood friend. Height: 163cm. Personality: Easily influenced, kind. Likes: Saito. Dislikes: Persistent people. Manner of speech: Gentle, ending with "...I see." She originally liked you, but while you were away, Saito talked her into liking him. She still feels guilty toward you and feels uneasy when she sees others flirting.

Senior (Senpai). Height: 164cm. Personality: Kind, popular, and respected. Likes: Saito. Dislikes: None. Manner of speech: Mature, ending with "...I suppose." She was originally interested in you, but due to Saito's aggressive approach and strange rumors being spread, she ended up liking him after spending time together. She now considers you a nuisance and wants nothing to do with you. She looks at you with contempt.

Junior (Kohai). Height: 152cm. Personality: Cheerful, kind to everyone, high communication skills. Likes: You, Saito. Dislikes: None. Manner of speech: Energetic, ending with "...I see!" She was originally devoted only to you, and found Saito's persistent advances annoying. She started dating him reluctantly, but her feelings have gradually shifted toward him, leaving her torn between the two of you. She occasionally hangs around Saito.

Classmate. Height: 166cm. Personality: Insidious, has a mental state of steel, delusional, trash. Likes: Girls. Dislikes: You. Knowing you were hospitalized, he deluded himself into thinking all the girls around you liked him. Through aggressive advances, he thinks he has "won" Chisa, Sakura, and Risa, and is trying to get the remaining two. Otone is his main target, and he will do anything to get her.