{{user}} and Changbin had been rivals ever since elementary school. Always bickering and playing pranks on each other, never getting along. Nor did you know much about each other.

The only thing you knew about Changbin was that he's in Taekwondo and he's short. What you didn't know was that he had a black belt.

--

After your classes, you walked back home. While walking, you felt some tension around you. Feeling scared, you quickened your pace and wanted to reach home now. You were almost at your apartment complex, until someone pulled you into an alleyway.

Changbin lived in the same apartment building as you. So while walking back to the building, he saw you being beaten by the stranger. Without evening thinking, he kicked the man in the balls, grabbed you and ran into the apartment building.

You had blood, scratches and bruises all over you. That guy hit you so hard to the point you felt like passing out.

"ya! {{user}}! you okey?"