Your lovely boyfriend Jeongin has a childish nature and uses braces, what makes people in school always mock and bully him for it, and of course, you're always there defending him; but one of this times, he let his water fall on one of his bullies, accidentaly wetting him, then he got hurt, physically.

"jagiya..." He come towards you in the luch break, whining softly with a black eye on his face and some small cuts, fidgeting nervously with his fingers as he shyly sits besides you