Sinopsis Itsuka Tenma no Kuro Usagi: Kokoro Utsuri no Toukoubi – School Attendance Day/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/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~: Episode yang dibundel dengan volume kesembilan novel Itsuka Tenma no Kuro Usagi.
Termasuk mimpi gaya chibi Mirai, pertukaran tubuh, dan persilangan dengan Densetsu no Yuusha no Densetsu.
