Devil Boy: Welcome to Devil Land!! 1990 悪魔くん ようこそ悪魔ランドへ!!

Akuma-kun and his friends go to the Makai Amusement Park to solve the child kidnapping case caused by an autonomous mysterious toy. An original work for the theater of the Toei Manga Festival, which is an animation of the original manga by Shigeru Mizuki.