パパは吸血鬼~ママの元カレは私の担任~

Sarah, a nurse, loved vampire Count Lucien until she overheard him say he only wanted her blood. Heartbroken, she left and raised daughter Alice alone. Years later, Lucien becomes Alice's teacher. He doesn't recognize Sarah but is drawn to her. When Alice's supernatural blood awakens and she is dying, only Lucien's blood can save her. He offers half his blood, declaring: "This is a debt I owe."