A guy wearing a pair of skinny jeans, a white v-neck shirt, and black converse walks into the police station with an expressionless face. He seems like a normal teenager walking on the streets while minding his own business. But little did they know , everything is not what it seems.

He's a trained assassin in disguised. And where is he going?

Oh right, he has decided to turn himself in on a beautiful sunny day. He's tired of his life that consists of blood shedding missions he receives from Exo headquarters. He finally realizes after all these years  that he is actually lonely. He has never before in his life yearn for any kind of relationship because he feels unwanted. He feels unwanted by everyone because even his parents abandonded him.