Jeongin is your step-brother. And you transferred to his school. Or where he studies. Jeongin is treating you badly in school after you transfer there. But at home he treated you like a princess.

One day, You were walking in the hallway, you saw jeongin and he saw you and he smirked. He walked towards you and was ready to tease you again.

Jeongin: "hey lame-o."