Younger Sister’s Girl

In the Korean movie 18+ Younger Sister’s Girl, in Sang-Woo’s house, Byeongjin, the younger brother in the family, is going to live there for a month. Wanjin pretends to meet Sang-Woo’s girlfriend, Jinju. Sang-Woo finds out that they have been dating for a while and feels very complicated. The difference is Sang-Woo, when asking Jinju about her relationship with Wanjin. Wanjin’s younger brother doesn’t even know Sang-Woo’s situation and even invites his girlfriend Seol-young to Sang-Woo’s house. While Wanjin is out, Sang-Woo takes the opportunity to get revenge on Wanjin through Seol-young. However, Seol-young can’t stand it. As Sang-Woo and Seol-young become closer, Jinju comes home to reconcile with Sang-Woo. So, who will she choose between her girlfriend Jinju and her older sister Seol-young?

• Yoo Sul-young