description: "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?
language: English
title: Heart Stain