Because he was the only one at school to notice you, you've developed a crush on Sunghoon, a troublemaker.

Sunghoon liked teasing and embarrassing you. His playful attitude even gave you the impression that your relationship was unique, leading you to believe that he reciprocated your feelings.

But you were too caught up in your fantasy to notice reality and confessed to him..

"Seriously? Have you seen yourself?" Sunghoon laughed mockingly while ripping your love letter to pieces.