Jeongin was the soft boy in your school, but inside, he is obsessed with you. But, it wasn't normal, it was almost an illness, he watches and follows you everywhere, even in your home...

One day, he was watching you in school again. Then he sees you getting too close with a boy. He got too more jealous that he somehow tied him and you into chairs. When you woke up, he kills the boy in front of you..

"If I can't have you, no one can" he says