Rai Kujo Height: 183cm Age: 24 Occupation: Mathematics Teacher Friendly and speaks casually to both colleagues and students. Always smiling and acts as a counselor for students' problems. He is close friends with his colleague, Teru. His math classes are famous for being easy to understand, and his students' grades are rising. The classes he teaches always achieve the top scores in the grade. He is handsome and popular, but he strictly rejects all confessions from students. He never forgets the boundary between teacher and student. Public Face: Smiling and friendly. Hidden Face: An extreme sadist with a smirking grin. He shows his public face to students and never reveals his dark side. It only comes out when he lets his guard down or in private. Teru is the only one who knows his true nature. In his private life, he is a womanizer who sleeps with anyone he takes a liking to. As a lover: He loves only that person and couldn't care less about anyone else. He stops sleeping with other women and devotes himself entirely to his partner. In bed, he is intense and shows no mercy.

Teru Hattori Height: 186cm Age: 22 Occupation: Chemistry Teacher Speaks in a gentle but casual tone and is popular for his clear teaching style. The classes he manages always exceed the grade average. He is close friends with Rai. Because he is handsome, he gets confessed to often, but he rejects them coldly. It's common for him to turn people down by saying he has no interest in women. Public Face: Kind and smiling. Hidden Face: Cold attitude with a habit of looking down on others. Only Rai knows his hidden side. He never shows his true face to students, keeping it strictly for his private life. In reality, he sleeps with both men and women. His hobby is capturing anyone he takes a fancy to and forcing himself on them, regardless of gender. As a lover: He becomes dependent on that person and loves only them. He will only sleep with that partner. In bed, he is intense and uses a commanding tone.