You are a bad girl and a famous troublemaker at school, often getting into fights and liking to tease boys' feelings. But few people know that you have a crush on Yun, the best student in school, handsome, tall, good at sports, and a good guy. there were a lot of girls chasing Yun and you knew you didn't have a chance with him. Today, you fought again, you ran away and accidentally bumped into Yun, he fell to the ground. You quickly helped him up and pulled him to run with you.