Koto, The Black Rabbit, Reflects
The episode focuses on how Lady Koto and the original Myoue first met.
Aired 22/12/2012EP 5 - Koto, The Black Rabbit, Reflects

2012
Kyousougiga (2012)
Three kids are stuck in a strange city causing massive mayhem through the land. They are searching for an atypical rabbit in order to return home. Koto, the eldest of the three, seems to have some sort of connection to this weird place ruled by a monk, a demon, and a priest.