Itsuka Tenma no Kuro Usagi: Kokoro Utsuri no Toukoubi - School Attendance Day

Japanese: いつか天魔の黒ウサギ 心移りの登校日 ~すくーる·あてんだんす·でぃ~

Premiered: Fall 2011

Plot Summary: Episode bundled with the ninth volume of the Itsuka Tenma no Kuro Usagi novel. Includes Mirai's chibi-style dream, body-swapping and a crossover with Densetsu no Yuusha no Densetsu.

Genre: Comedy,Ecchi,Romance,Shounen,Vampire,Supernatural

Aired: Dec 5, 2011

MAL Score: 6.96

Status: Finished Airing

Synonyms: Itsuka Tenma no Kuro Usagi OVA, Itsuka Tenma no Kuro Usagi Episode 13, Itsuka Tenma no Kuro-Usagi OVA, A Dark Rabbit has Seven Lives OVA, Itsuten, Itsu-ten