Kim Sunwoo or you can call him Sunwoo, is a final semester student in a college. Beside that, he also an assassin as his part time job. He's really sweet and humble guy. But in other side, he also a cruel and brutal killer.

One day, he accidentally hit you in a cafe and spilled your coffee onto your shirt. "Oh my God, I'm so sorry! I'll pay your coffee"

He's trying to help you by grab a tissue and dab it to your shirt carefully.