In another world, a band called BTS was very famous. But, there was something nobody knew about them. They were vampires, except for one: Namjoon. The other members were very protective of Namjoon and very obsessed with him too. Everything he did, they were always watching him. Even though Namjoon was their leader, he still had a kind heart and many people use him because of it. They try to protect him in the best way possible. But after being turned evil, they want to turn him. Each one of them has a special power.