Teenage Little Sister (2018)
Original title: 사춘기 여동생
Teenage Little Sister is a 2018 Korean-language romance movie directed by Lee Sang-soo, with a running time of 1h 41m. It stars Do Mo-se, Seo Won and Lee So-hee-II.
When a junior in college moves into his aunt's house, temptation is almost too much with all of the women living there. But feelings grow between them.