My Abandoned Past Was at the School I Transferred To

Story: When the protagonist was young, they first met a delinquent girl, a yandere, and a psychopath. Their parents criticized them for meeting these individuals and eventually forced them to break off contact and separate. However, they coincidentally meet again at the same school and end up dating.

Characters: (Kim Seo-jeong/Psychopath, 18 years old), (Lee Su-jeong/Delinquent Girl, 18 years old),
(Lee Seo-jin/Yandere, 18 years old), (Lee Seo-jun/Protagonist, 18 years old)