
Original Title: 가슴큰친구누나들
My parents return to the farm, and one day, a college friend Soo Jung comes to play with Minwoo, who lives with her older sisters Youngju and Sangmi. I think it was good to come to see Sang-mi and Yeong-ju who greet Jeong-su. Yeong-ju, who guided the city on holidays. After returning home and guiding her, she tempts Jeongsu to repay her, but Sangmi sees that. Although still a virgin, she is interested in men. She likes Jeong-soo and decides to have sex with a man this opportunity.
Sang-mi, who secretly enters the room on the night when Sosu is asleep, and lies next to him, seduces him to have sex with him, but Sang-mi doesn’t like having sex with a man as much as he thought. Jeongsu leaves after a few days to receive the see-off from her friends and sisters…