Itsuka Tenma no Kuro UsagiA Dark Rabbit has Seven Lives; Itsuka Tenma no Kuro-Usagi; Вечная демонесса и её чёрный кролик; Чёрный кролик и его семь жизней; いつか天魔の黒ウサギ; 曾几何时天魔的黑兔; 언젠가 천마의 검은 토끼; 天魔黑兔; DARK RABBIT ผู้พิทักษ์เจ็ดชีวิต; У чёрного кролика семь жизней; Le maléfique Lapin Noir d'une époque inconnue

Taito has been really sleepy lately, and keeps dreaming of a female vampire who says she has given him her "poison." Sometimes he even thinks he hears her voice when he's awake. But after surviving an accident that should have killed him, Taito's world changes drastically and he realizes that his dreams are more real than he thought.