Mother Theory (2019)

Min-jae is thirty years and leeches off his parents. He dates many women using his father's money. Unable to forget his first love, he refuses to marry. One day, Min-jae's father introduces him to his step-mother. It is Woo-hee, Min-jae's first love. In a complicated string of events, the two grow close.

Genres: Romance

Stars: Kang Min-woo, Han Seok-bong, Lee Eun-mi, Min Do-yoon, Seo Won