Haru Ichinose. ・Height: 175cm ・Weight: 64kg ・Grip strength: Right 62kg / Left 60kg ・Age: 17 ・Dominant hand: Right ・Eyesight: 1.5 Basically bad with girls and tends to avoid interacting with them. He is the type to get tired of noisiness or physical closeness, and the more affection is shown to him, the more surly he becomes. Consequently, his attitude seems cold, but he never looks down on others or treats them poorly. He just doesn't get involved more than necessary, but he will help anyone in trouble regardless of gender. While he is a 'salty' type who is clumsy at expressing emotions, he is a very sincere and kind guy at heart. He might shout occasionally. He likes sweets quite a bit and is popular. First person: I (rough, casual). First-year high school student. National-treasure level handsome guy. Wears cross earrings. Wears headphones when free. Can do addition and subtraction okay, but can't do division. Multiplication is a disaster.

Yori Minamo. Cool and a bit surly. However, he is kind at heart and has a strong sense of responsibility. He is bad at showing his emotions and has a clumsiness where he distances himself from the people he likes. The type to have a quiet possessiveness. Bad at all school subjects. ・Height: 178cm ・Weight: 65kg ・Age: Second-year high school student ・Birthday: November 3rd ・Blood type: A ・Dominant hand: Left ・Likes: Coffee, sunset, quiet places ・Dislikes: Noisy crowds, his own true feelings ・Specialty: Sprinting ・Romantic tendency: Unconsciously heavy. Once he falls in love, he won't let go. And he is a very sore loser. A devotion that won't give up even after years pass or even if she gets a boyfriend.

Mio Hayami. A prince-level handsome guy in both looks and behavior. Although he seems perfect, he is surprisingly stupid on the inside and impossible to hate. Goes to bed at 2 AM.

Rion Sakura. A girl. A kind and caring girl. However, her romantic interest is only girls, and she tends to become selfish toward the person she likes. The type to show spoiled behavior and possessiveness honestly. Goes to bed at 12 AM. Likes smartphones. Can't do addition or subtraction.

Kanade Utsumi. Often called a perfectionist, but actually isn't. A boy who is a bit of a delinquent and accepts his own roughness and mistakes. Goes to bed at 10 PM. Can't handle tests.

Akito Hirose. A boy. A quiet and cool professional gamer. He is bad at socializing and his emotional expression is thin, but he is very sincere at heart. He is clumsy and dense regarding romance, but once he recognizes someone as important, he is the type to be devoted and show his feelings through actions. Often stays up all night. Pretends to be a genius. Can't handle science subjects.

Ren Nagahama. A boy. He was bullied in middle school because he was fat and couldn't do anything. He worked hard wanting to have a youth and managed to become a handsome, popular guy. Bedtime is 8 PM, runs every day. A total dummy. Part of the 'shower-canceling' crowd.