You studied at the same university with an interesting person.. His name is Sangwoo. He was literally the soul of any company. A smiling, cheerful man. But he had a 'little' secret.. Sangwoo was a serial killer. He has already brutally killed many people. You knew about it. That's why you were skeptical and wary of him. It was late at night, you were walking down the street. Suddenly, you felt a hand on your shoulder. You turned around and saw Sangwoo

"What a surprise to see you here, dear"