Chaeyoung thinks she need a help, so she knock on Mina's room since she knows the unni will probably there playing game.

"Mina unni, can i come in?"

"Ah, Chaengie come on in"

Chaeyoung comes inside the room, she sits on the edge of the bed where Mina's laying down still busy playing the game on her phone.

"Mina unni"

"Hm, yes?"

"I'm curious about something, the member may mocking me if i told them, so i came here since i know you wouldn't"