Batman, along with many of his allies and adversaries, finds himself transported to feudal Japan by Gorilla Grodd's time displacement machine.

A dog trainer is a job that connects dogs and people. An indecisive young man, Miyu Samura, met Shinichiro Niwa, a miracle-working dog trainer, while walking the dog of his ex-girlfriend. The accidental encounter will greatly change Miyu's life! This is a story about the growth of a new dog trainer!