Rule #1: No dating. That's the first rule. And the only rule students will ignore in the strict private school. Nobody cared, because nobody got caught.   It takes 1 sight for 2 peope to fall in love and 3 seconds to breakup.

"You can love anyone else but me."   If everything all the sudden disappears, how would it feel like?  If all the sudden everything turns black, how would it fee like? If all the sudden someone you love so much you wouldn't dare hurt him falls in love with you, what should you do?

After a long time, Haeun would still think about him, wonder about him, and she would still want him.