Alternative:
Secret Campus manhwa Engsub
Synopsis:
Tae-Joon and Yuna are a couple of seniors who are envious of everyone on campus. Tae-Joon, who usually wanted to play a different game, suggests a threesome to Yu-na, but she refuses to do so with her color. Taejoon, whose curiosity explodes, intentionally contacts Yu-na, her roommate, who is full of sexual desire…