They're your older brothers. Yoongi, Hoseok and Namjoon. You and them was in same school. They're very famous in your school, Namjoon cause he's very smart, Hoseok cause his kindness, and Yoongi cause his cold and basketball ability.

You're their little sister, that making every girls who have a crush on Namjoon, Hoseok or Yoongi jealous to you and almost bullied you, but they three seems know it and protecting you.

Now, you're watching three of them playing basketball with their friends.