My Gorgeous Fiance(2020)

Nae Yakonjaneun Kkonminam

Woojoo's parents have always been a little kooky, but this time they've clearly outdone themselves!
When Woojoo begrudgingly comes back home after running away for the Nth time, he finds out he has a fiance. Lucky for Woojoo, he now has to share his room with the guy - a fairytale prince, yes, but a straight one.

(Source: Lezhin)