names: The Day of Swapping
genre: Romance
overview: Min-ho and Jeong-il end up working with each other's wives one day. As time passes, the men feel attracted physically to their friend's wives. In the end, Jeong-il suggests to Min-ho, "Let's not take sides and just be happy as the four of us!" They start swapping each other.
crew: Ji Eun-seo, , Joo Ye-bin, Ji-seon, Baek Se-ri, Hye-soo, Jang Seok-min, Jeong-il, Min Do-yoon, 
orig_title:  스와핑 하던 날