Sesanga Deombyeora!

HyoYi receives a scholarship to attend a prestigious private school where most students come from wealthy backgrounds. She is determined and tough, working hard to shield her mentally disabled brother from abuse and bullying. When MinHa enters their lives, he forms an agreement to help protect the siblings. As their arrangement unfolds, a bond develops between HyoYi and MinHa, and they begin to understand the meaning of love through their shared experiences.