Mr's Little Sister || Jimin X Reader FF
36 parts Complete Kim Namjoon, is a teacher at your school, and of course, you just happen to be his little sister. When Park Jimin, the school playboy is failing the class, he needs help studying for his final to pass. Without anyone to turn to, your poor brother turns to you to help him, and warns you not to fall for him. But what if it's easier said, then done?