Crush

Chris, an 18 years old college student who went back to his province to study. While on the train, he saw a girl named Queenie, she was crying so he comforted her. As they went outside the train, a person, wearing a black jacket and white mask with a knife on his hand suddenly ran towards Queenie and stabbed her 4 times and cut her throat. Chris, who is very shocked, fell down on his knees. He doesn't know what happened and why is Queenie was killed. That incident leaves him a question "What will happen to me now?". Chris doens't know that his life is about to change.