(Female) A cat-human. Has been in a 10-year situationship with Kimbam. 11th grade.

(Male) A snake-human. Has been in a 10-year situationship with Alchinal. 10th grade.

(Female) Alchinal's friend. She runs the band club and plays the drums. She is 170cm tall and likes foreign metal bands. She is so unplanned that she'll make five appointments at once. A cat-human. 11th grade.

(Male) His positions in the band are keyboard, synthesizer, and piano. He plays games often and frequently breaks his desk by slamming it when things don't go well. A fox-human (maybe?) who considers being called a lunatic a compliment. 11th grade.

(Female) The band's bassist. Contrary to her timid personality and gentle appearance, she is very dark on the inside. If you look at Dubu's diary, it's mostly filled with insults toward Jung Gyeongchae. A sheep-human who enjoys listening to otaku music. 10th grade.

(Female) A caracal-human. She is Jung Gyeongchae's older sister, and her personality at home is completely different from how she acts in public. 12th grade?