Diabolik Eden: Forgotten Eden
After the Sakamakis take back Yui, Karlheinz visits them and demands from them to share the mansion with the Mukamis. Two months later, he comes back to get Yui in order to protect her from the ones hunting her. The same night the Sakamakis and the Mukamis get attacked by a pack of wolves and a pair of an unknown breed of vampires. One month after the attack, Yui comes back to the mansion along with another girl, both covered in blood.
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