Keishi Nagatsuka is known for The Boy and the Beast (2015), Shin Ultraman (2022) and Kawa no hotori de (2021). He has been married to Takako Tokiwa since 20 October 2009.
When a young orphaned boy living on the streets of Shibuya stumbles upon a fantastic world of beasts, he's taken in by a gruff warrior beast looking for an apprentice.