Completed
Shin Youngmin - guy with black hair (looks young)
Do Jungwoo - guy with brown hair (looks old)
Sunghye - classmate of Youngmin from uni; has a crush on him
Professor Joo Kiwon - a professor Youngmin likes/admires; also has light brown hair and eyes
Lee Jinkyung - girl with short black hair (with slightly parted bangs); from same uni as Youngmin; same part time job as Sunghye; Jungwoo’s cousin(?)
Kim Hoobae - guy with blond hair; used to work in the same part time job as Youngmin
Hye Rim - girl with short orange hair; coworker at Youngmin’s convenient store
Sung Ri - girl with long orange hair; coworker at Jungwoo’s work place
Not a Sugar Daddy