I do not own Diabolik Lovers but i do own this book.( In this book the mukami brothers will live with the sakamaki brothers) You were found by karlheinz as a baby, You were in a buring house and your parents died in the fire as karlheinz made his way towards you he looked at you he thought you were the most beauitful baby their was so he took you in as his own he loved you greatly so he waited until you were 1 years old to take you the brothers. When you got there the brothers looked at you with hatred they thought that you were going to steal all the love so the avoided you Karlheinz stayed with you to make sure they didn't bite you ot hurt you he told the boys that you were their little sister. Once you got older you were 4 you acted like an innocent angle. you were nice to everyone soon the boys grew to love you as yougot older the boy's love got deaper karlheinz took notice of this and took you away from them awhile but you would meet them again he took your memory of them but you would get them back once you saw them again. He wanted their love for you to die down a bit before you came back so he gave them a girl named Yui. But will you regert ever coming back to your brothers?