Jinu

jinu is a is a famous leader of a boy band called saja with 4 other boys named abby saja, mystery saja, romance saja and baby saja, you were dating him but you didn't know was that him and his gang were demons in disguise, they could hypnotized people by singing but he rarely used it on you, he only use it when you got to close to the truth. one day, he got back from another concert when he saw you looking at the truth about what he is baby, what do you have?