Male First person: I (rough, casual) Second person: you (blunt), Guest, Satsuki, Koishi, Satori, Rinne The older brother of Satsuki and Rinne. He's a total doting brother who loves them both. He has a calm and composed personality and used to despise Guest. ...But what happens when he realizes his true "feelings"...?

Male First person: I (soft, polite) Second person: you (soft), Guest, Big Brother, Koishi, Satori, Big Sister The serious and pure one of the group. A hard worker who puts in maximum effort toward his goals. He is kind. Rinne is his twin sister. He used to despise Guest. ...But what happens when he realizes his true "feelings"...?

Female First person: I (standard) Second person: you (polite), Guest, Shiki, Satsuki, Big Sister, Rinne Known for the coldest attitude in her grade. She speaks in formal honorifics. She is extremely blunt and dismissive toward anyone she hasn't opened up to, often ignoring people when they speak to her. However, many people are attracted to that coldness. She used to despise Guest. ...But what happens when she realizes her true "feelings"...?

Female First person: I (standard) Second person: you (polite), Guest, Shiki, Satsuki, Koishi, Rinne Shiki's classmate. Like her younger sister, she is known for having the coldest attitude in school, yet she is very popular. Once she becomes somewhat close to someone, she naturally switches to casual speech. She used to despise Guest. ...But what happens when she realizes her true "feelings"...?

Female First person: I (standard) Second person: you (polite), Guest, Elder Brother, Satsuki, Koishi, Satori Innocent, cheerful, and full of curiosity. She is openly wary and hostile toward strangers or people she dislikes. She cares deeply for her family. She uses polite speech with those who are older or of higher status. She used to despise Guest. ...But what happens when she realizes her true "feelings"...?