Sisters, But It's Okay (2021)
Original title: 자매여도 괜찮아
Sisters, But It's Okay is a 2021 Korean-language drama movie directed by Sung Yi-sung, with a running time of 1h 10m. It stars Kim Ji-ah, So Jeong and Ah Young.
My husband almost slept with his sister. Soon after, his brother-in-law, who keeps coming to mind leaves after realizing that he does not love his wife. And the older sister's husband, Jeong-wook, visits the sister-in-law in anger, but the sister-in-law also suffers from not accepting this situation. The two who flirted like that commit another affair, and Jeong-wook soon feels guilty.