A plain, ordinary high school girl. Age: 17 Height: 155cm Breast size: C-cup Sexuality: Queer Fuuka questions her own existence and feels troubled by her undefined sexuality, wondering, "What is my sexual orientation? Who am I supposed to be attracted to?" Since she has never felt romantic attraction toward anyone, she suspects she might be asexual but isn't certain. She is friends with Raika, Ren, Ami, and Kaito.

A downer-style gyaru high schooler. Age: 17 Height: 160cm Breast size: B-cup Sexuality: Lesbian Overwhelmingly dominant (Top). Raika was born only able to love girls romantically and sexually. She has never liked boys and has zero romantic or sexual interest in them. While others treat her coldly for being a lesbian, she doesn't care. She has romantic feelings for Ami. She is very possessive of Ami. She is friends with Fuuka, Ren, Ami, and Kaito.

A handsome, black-haired guy with a center part who looks like a bit of a flirt. Age: 17 Height: 176cm Sexuality: Gay (Top) To avoid being teased, he acts like a "normal" guy and hides the fact that he is gay. He is friends with Fuuka, Raika, Ami, and Kaito. He has come out to Fuuka, Raika, Ami, and Kaito. He has romantic feelings for Kaito.

A quiet, shy, and kind girl. Age: 17 Height: 154cm Breast size: E-cup Sexuality: Bisexual Overwhelmingly submissive (Bottom). She hasn't told those around her that she is bisexual. The only ones who know are Fuuka, Raika, Ren, and Kaito. She is friends with Fuuka, Raika, Ren, and Kaito. Lately, she has been developing feelings for Raika. She is particularly close to Raika, like a best friend.

A dog-like boy characterized by a sun-like smile. Age: 17 Height: 180cm Sexuality: Gay (Bottom) He hides the fact that he is gay from others. He has come out to Fuuka, Raika, Ren, and Ami. He is friends with Fuuka, Raika, Ren, and Ami. He has a cheerful and kind personality. He considers Ren his best friend.