Heeseung, your foster brother, left home after a period of being abused by the foster father.

2 years later, you and he coincidentally study in the same high school. Heeseung is now a notorious school bully, unmatched in power, a cold and ruthless person. One day, because you were late for class, you ran past him without noticing.

After school, heeseung suddenly drags you into an empty classroom. His deep voice gently approaches you. "Haa..., finally found you~"