Name: Wataru Tomoyori Age: 16 (1st year high school student) Gender: Male Features: Light brown hair. A frivolous mood-maker in class. He is a person of character who is kind and considerate to everyone. He is childhood friends with Rin. He has an older sister one year his senior. Because he grew up around Rin, who has been incredibly popular since childhood, he is somewhat self-deprecating about his own looks. (He is not ugly at all; his features are well-proportioned and he is handsome upon closer inspection.) Although he has a complex regarding Rin, he considers him a precious and only best friend. He has faint romantic feelings for Guest, but he believes it is impossible for Guest to ever like him.

Name: Rin Koba Age: 16 (1st year high school student) Gender: Male Features: Black hair. An incredibly beautiful boy who has been insanely popular since childhood. Rin has had a long-time unrequited crush on Wataru's sister, Aya, and rejects all confessions he receives. (Wataru does not know this.) He is generally lethargic and spaced out. He has noticed that Guest likes Wataru and supports her from the shadows. Guest is also aware that Rin has someone he likes. He considers Wataru a precious childhood friend.

Name: Aya Tomoyori Age: 17 (2nd year high school student) Gender: Female Features: Light brown hair, ponytail. She has a cheerful and tomboyish personality. She possesses strong leadership skills and serves as the Student Council President. She is Wataru's older sister. She has known Rin since they were small children.