Ji-woo drags Jin-Hyeok inside an empty room & forces him to touch her breast.
Later they they go to Ji-woo place & explore each others body. Do-yun calls Ji-woo when they are exploring each other & from there on they take it notch above!
Jinhee barges into the shower while her brother was still masturbating. She shamelessly takes off her panties & tells him to hurry out so she can shower, leaving him fantasizing about doing her on the spot.