All of them got a vacation after Si-Yun scored great on Mock Exams! Its a Villa with a Swimming Pool. Ji-Hyeon is the 1st to strike Si-Yun & they have sex while, Su-Min is listening them having sex, standing outside the room. She is also getting turned on & starts fingering her pussy!
At night, a young Dae-ho wanders downstairs for a glass of water, only to stumble upon a sight he was never meant to see: Eun-Ae and Yeong-Gu in the heat of a private moment. Confused yet captivated, this unexpected encounter sparks a sudden sexual awakening that will change the dynamic of the household forever.