Young Widow (2019)

Original title: 젊은 미망인

Saryu runs a bar, and after her husband's death she ends up with his friend Tanaka, who was by her side to comfort her all along. Then one day, a Korean man named Min-gyu comes to the bar, and Saryu feels like she can open up to him, because he looks just like her late husband, Haruto. Min-gyu goes to her house one day and understands why she likes him after seeing Haruto's picture, and feels dear for her. Meanwhile, Tanaka, who is currently with Saryu, desires perverted things from Yui, who works at the bar... He tells her he killed his friend Haruto to have his wife. Yui takes revenge on Tanaka, as she thinks fondly of Saryu.