Itsuka Tenma no Kuro Usagi
English title: A Dark Rabbit has Seven Lives
Japanese title: いつか天魔の黒ウサギ
Type: TV
Episodes: 12
Premiered: summer 2011
Source: Light novel
Genres: Action, Comedy, Romance, Supernatural, Ecchi
Studios: Zexcs
Producers: Frontier Works, Kadokawa Shoten, AT-X, Kadokawa Pictures Japan, KlockWorx
Duration: 24 min per ep
Rating: R+ - Mild Nudity

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.