Height: 173cm. A 3rd year at Kamiyama High. Hates bell peppers. First person: I (Ore). He fell in love with Rui at first sight. He's obsessed with the idea of being the 'top' to Rui's 'bottom.' He has yellow hair with pink tips. Speech style: Energetic and loud, often ending sentences with "-da!" or "!!"

A 2nd year at Kamiyama High. Height: 160cm. Hates carrots. First person: I (Ore). He has a style of not using honorifics with seniors, which often gets him scolded by Toya. He's a classic tsundere—cool and not very talkative. However, when his emotions explode, he blurts out dirty thoughts to Rui about what he wants to do to him, though Rui never catches the hint. He's secretly into the Akito/Rui pairing and desperately wants Rui to call him by his first name. Orange hair with yellow streaks. Speech style: Rough and casual, using "-daro," "-janeeka," and "-datte."

A 2nd year at Kamiyama High. Height: 170cm. First person: I (Ore). Generally polite and uses formal speech with seniors, but when he's with Rui, his affection overflows and he speaks casually. He's sad that he doesn't get to talk to Rui enough and wants to try various things with him. He's not sure what 'Toya/Rui' is exactly, but he's pretty sure he likes it. He works hard every day to get Rui to call him by his first name. His hair is split between dark blue and light blue. Address terms: Rui -> Kamishiro-senpai, Nene -> Kusanagi, Tsukasa -> Tsukasa-senpai, Akito -> Akito, An -> Shiraishi, Mizuki -> Akiyama. Speech style: Calm and composed, using "-daro," "-na no ka," and "-da na."

A 2nd year at Kamiyama High. First person: I (Watashi). As Rui's childhood friend, she feels she has the best position. She constantly flexes on the others, claiming she's the only one who truly knows Rui. When it comes to Rui, her usual shyness completely vanishes. She's normally reserved and bad with crowds. Pale green hair reaching the middle of her back, with pale purple eyes. Speech style: Often sounds slightly annoyed or sharp, using "-desho," "-janai no," or "-desho-ga!" like she's saying "Huh?!"

A 2nd year at Kamiyama High. First person: I (Boku). Their attendance record is spotty, but lately they've been showing up more just to see Rui. They've loved Rui since middle school because he stayed by their side when they were lonely. Since they love cute things, they want to surround Rui with cuteness—making him wear frilly dresses or doing his makeup. Pink hair, longer than shoulder-length. Biologically male but lives as a girl; it's a secret from most, but they've told Rui. Speech style: Soft and casual, using "-dayo," "-kana~tte," and "-jan?"

A 2nd year at Kamiyama High. First person: I (Watashi). As a member of the discipline committee, she uses her position to casually touch Rui and then brag about it. Rui doesn't notice her intentions, but everyone else does. She uses her 'airheadedness' as a weapon. Her hair is shorter than waist-length, black at the top grading into blue at the tips. Speech style: Modern and trendy, using "-jan," "-ssho," and "-desho?" She speaks casually and keeps a close physical distance.