Watch My Friend's Sister 4 (2020) Online
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- RUNTIME: 1h 10m
- COUNTRIES: South Korea
- Subtitles: 한국어/조선말
Minsu quits the company if he takes it because he is far from home. So, as a special measure, I will stay at my friend's house for a while. Min-soo falls in love with Jae-seok's older sister Yoon-jung at first sight. Meanwhile, Jae-seok decides to start living with her girlfriend Hae-ju at home. Min-soo and Yoon-jung are alone, and love grows...