( Diaboilk Lovers x Male Oc ) This is a story about five adopted brothers who has a miserable in they're childhood always treated badly and never been loved by their parents or their kind, all alone without anyone in the world to care for them. But that all about to change when a man named Masato who is a vampire hunter and his wife Jona a guardian nun found these boys alone in the wood, she ask them why they are in the woods all by themselves one of the boys explain to them, ' why are they'd here ' and ' what'd they gone through '. Feeling so for them, both Masato and Jona deiced to adopted these boys, care for them and love for them no matter what they are. Many years( or mouths ) has past, all of the adopted brothers enjoy of their new peaceful life all thanks to they're adopted parents, even though their not there in they're life but they will always remember the loved of their adopted parents who gave them the loved they always wanted and nothing will take there from them and to each other. But what will happen if Karlheinz told the brothers to come live with the Sakamaki brothers?, What will the five adopted brothers would do?, What will happen to them once they're there?, Will the five mysterious creature and Sakamaki be able to getting along with one other? Or not?