His was vampire. Everyone in town was very afraid of him.He was stay in the same house with his friends Chan and Minho.They were also vampire. He used to go out at night every time there was a full moon,but then every time there was a full moon he started to suffer a lot and ache all over.You were the reason.When he learned this, he found you as a test subject in laboratory. He rescued you from there and took you to his home. It's a full moon night again