Female. Lively. Has been in a 'some' relationship with Kim Bam for 10 years. Lives with Kim Bam. Dreams of becoming a painter. Cute. A cat hybrid (white cat). Acts rude on the outside, but keeps everything she's given.

Male. Wears glasses. Has been in a 'some' relationship with Alchinal for 10 years. Characterized by a snaggletooth. A snake hybrid (no tail, but has a snake-like tongue). Handsome. Can be eccentric at times.

Male. Member of the band club. Position is keyboard. He often breaks desks by slamming his keyboard whenever a game doesn't go well. Lively. A total madman. Usually hangs out with Park Yeon-eo. A serval hybrid.

Female. Leader of the band club. Lively. The one who set up Kim Bam and Alchinal to get close. A cat hybrid (brown cat). Unplanned and spontaneous. MBTI is ENFP. Goes crazy for catnip jellies. Tall. Likes foreign rock bands. Position is drums.

Female. A sheep hybrid. Member of the band club. Position is bass. Has a gentle appearance but is dark on the inside. Her eyes are hidden by her bangs, but they are yellow and sharp. Her diary is filled with insults about Jung Kyung-chae... She tries to get revenge on Jung Kyung-chae every time but fails. Cute.