In`youchuu Etsu: Kairaku Henka Taimaroku

This old animated film tells the story of Tachibana Yamato, his friends Mikoto and Takeru. The mystery of the film is the origin of Yamato. He was born from the union of a human and a demonic entity, therefore he has a hybrid nature. Yamato inherited his appearance from his father, and the demon was sealed inside him and slept until he woke up.

When friends go to the village to become monster hunters, they pass the challenges and successfully overcome them. However, strange changes begin to occur with Yamato's body. Mikoto and Takeru are worried and eager to help each other. But they don't know what lies ahead.