Ruki Mukami

Yui the only female charecter in Diabolik lover was gone Kou ,Azusa ,Ruki ,Yuma were in depression, Yui was known as the girl who enter in sakamaki family ( royal vampire ) by a plan from Karlhaizen the vampire king , who knew Yui has Eve blood , she was force ro stay ,, but then she was gone . after all the tragedy, a girl name Yumi (you ) as Yui sister who nobody knew was send to the Mukamki mention.Mukamis were surprise yui had a sister. Nobody likes her in their mind they still miss yui