Kyousou Giga (2012)

Three siblings find themselves stranded in a peculiar city, creating chaos as they navigate its unfamiliar landscape. Their goal is to locate a peculiar rabbit that will supposedly help them return home. Koto, the eldest sibling, appears to have a unique connection to this city, which is governed by a monk, a demon, and a priest. This unusual trio seems to be at the heart of the city's enigmatic nature.