We have many secrets from each other

Character introduction

박지민

Dating 19-year-old Yoon Da-hee (cute, sexy, tsundere, scary)

윤다희

Dating 18-year-old Park Jimin (sexy, cute, and timid)

전정국

I'm dating 19-year-old Baek Yu-hee (cute, kind, and scary)

백유희

I'm dating a 19-year-old Jeon Jungkook (cute and shy)

김석진

24-year-old Park Jimin (good at cooking solo, sees Dahee as his younger sister)

김태형

20-year-old Baek Yu-hee (indifferent to younger sister, likes Jung-kook more)

This is roughly what the character is like.