The grandson of the slick one, the beginning of the Nura-gumi

This is a dust-covered story about the founding of the legendary Nura-gumi. I don’t know how long ago, Nura Hua Lao (voiced by Yuzu Koji) who was traveling accidentally rescued Natto Monk (voiced by Arai Rimi), who was willing to worship him as the general and never leave. On the way, Hua Laiao ate the King's meal and was chased by ferocious-looking but powerful monsters such as the imp and the tofu monk. Hua Di easily defeated them, but he also sympathized with the plight of these homeless monsters, so he came forward and was willing to introduce them to the Tono Clan, a super fighting monster organization. However, the Tono clan is determined not to accept the weak, so Hua Lao must show his strength alone in the territory of the Tono clan, where dragons and crouching tigers are hidden. The legend of the Lord of Demons and Monsters begins... This film is adapted from the original work of the same name by Hiroshi Shiihashi and is the animation's second OVA work.