Twenty-year-old Soon-jae has a young mother named Ji-yoon that's like a sister to him. Right next door live a mother and son the same age as them; Ji-yoon's friend Yeong-joo and her twenty-year-old son Jae-yeong. The sons fall for each others' mothers.
My Friend's Nice Mother (2017) is a movie with a fan community on Setleaks. We track 1 post, including 1 from the past week. The latest update landed 5 hours ago.