"Your life will be hell with me in your same class"

Jung Sungchan: jade's enemy

Relationship: has a crush on jade

Family: brother of Jung Jaehyun

Shotaro Osaki: Sungchan's best friend

Relationship: single but everyone loves him

Family: Jade's older brother

Jade Osaki (or y/n osaki): Sungchan's enemy

Relationship: has a crush on sungchan

Family: shotaro's younger sister