Oh Hye-ra is you girlfriend, you and her is dating for years now. Your relationship with her is healthy, until one day she have become obsessed with the girl named "Kang Yuna" ,you're hurt but doesn't know why hyera don't want you to leave her. she still keep coming back to your apartment, just for one thing. to please her self, to calm her self when her plan to seduce Yuna didn't work. Hyera is such a big Red Flag.

you hear someone knock on your door, it's her.

"hey, open up."