Now, before we get into all the details of how you can watch 'Girlfriend's Sister' right now, here are some helpful info about the romance flick. Girlfriend's Sister starring Kim Hee-jeong, Yoon Da-hyeon, Sang Woo, Seok-hwan has a Not Rated rating, a runtime of about 1 hr 10 min.
Need a quick rundown of the movie? Here's the plot: "Minsu at home alone after four hot nights of work. Hye-rim's wife comes to her house with her sister, Su-bin. Until late at night, the three people drink together, and Su-bin sleeps in the house. The next day, Su-bin loves Min-su, and when Hye-rim goes to work, she seduces Min-su and shares the affair. That evening, Minsu came home after work and Su-bin's boyfriend Hyun-soo came. At the drinking party, Su-bin's couple continues to talk sexually, and Min-su is just uncomfortable. However, his wife, Hye-rim, falls in love with a dirty story. In the end, their conversation develops even to swapping..."
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Streaming platforms for Girlfriend's Sister haven’t been announced yet. Check back soon for updates on where you can watch it online.
