Dr. Slump: Arale-chan - Hoyoyo! Nanaba Shiro no Hihou

A scientific prodigy discovers the "Eye of Rainbow," a legendary artifact hidden in Nanaba Castle, said to grant any wish. A group of thieves, including Arale and her friend, attempt to steal it, but Bisna, a descendant of the Nanaba Kingdom, takes possession of the treasure with the goal of restoring the kingdom and awakening a devil. In response, Arale and her companions travel to the hidden castle to retrieve the artifact.

Traduzione in corso — testo originale in inglese.