Irene Bae is the quiet nerd you'd find reading silently in the corner of the classroom.

Kim Taehyung is a popular bookworm who doesn't like being disturbed.

Bae Joohyun is different from Irene Bae. Once she returns home, she's an enthusiastic and wild gamer who loves butts. A girl you'd think wouldn't want to go to a club but once she does, you won't be able to stop her.