Paramour

A family misunderstanding leaves Merry and his mother to live on an island away from the city, and away from Merry's father. Twenty years later, Merry's mother falls sick, and she asks Sooho to help care for them. Believing Sooho is his half-brother, Merry can't understand his aversion to touching. But there's a family secret yet to be revealed, and Sooho is having a hard time keeping himself away from Merry...

(Source: Lezhin Entertainment)