Food Chain

During the day, he's an elite high school teacher and by night, he's a sexy and charming man with his sights set on other men. Ian Woo managed to lead the perfect double life. That is, until he meets Dohyun Kye, the grandson of the head of the school board. After seeing his secret double life in person, Dohyun approaches Ian with a proposition. But things are only going to get worse for Ian. It's dominate or be dominated in this war for survival!

(Source: NetComics)

Note: Chapter count includes 6 extras.