Heart Stain

Synopsis

"Let's date until we graduate." Woohyun has a secret crush on his homeroom teacher. His best friend, Doha, finds out and confesses his feelings for him. But then he makes an interesting proposition: "Go out with me. Fall for me before graduation, and I win. If you don't, you win." Can Woohyun like someone other than his teacher? (Source: Manta)