Okusama wa Vampire
おくさまはヴァンパイア
Tsunashi Kaidou, an ordinary office worker, is assigned by the government to participate in an experiment involving the human and devil worlds. He is ordered to marry Eve, a vampire princess. Adjusting to life together proves difficult, as Eve struggles to adapt to the human world. Their cohabitation is filled with challenges stemming from her unfamiliarity with human customs and society.