Pretty Young Sister
Ji-yeong and Woo-hyeon is on a fun, casual relationship. However, Woo-hyeon finds out that his friend Min-soo likes Ji-yeong and decides to be a stepping stone between them. Will Min-soo and Ji-yeong be able to date after many twists and turns? Or will Ji-yeong go back to Woo-hyeon's arms? The story of two men surrouding Ji-yeong's heart begins.
Top cast
Below are the streaming services currently carrying the movie “Pretty Young Sister” in the United States, along with how each offers it (subscription, buy, or rent) and a direct link. Licensing differs by market, so availability in the United States can differ from other countries.
Where to watch Pretty Young Sister in United States
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Not currently available on the supported providers in United States.
Availability can change as licenses rotate — confirm on the provider’s page before subscribing. Last checked: 20 Sept 2026.