Zatch is helped by a kind man named Shin. Kiyo, noticing that his partner Eshros is holding a mamodo book realizes that Shin is a Mamodo. After secretly following them, they realize that Eshros is actually the Mamodo and that the pair intend to destroy a school tomorrow. Zatch follows the pair believing Shin to be a good person and learns that Eshro is manipulating Shin by making him believe he is fulfilling his mother's dying wish of becoming a strong-willed person. The next day, Kiyo and Zatch are able to convince Shin that Eshro is manipulating him. Shin realizing his mother wanted him to be like Kiyo, uses his strongest spell to defeat Kiyo and Zatch. Shin then gives Kiyo his book to burn knowing that Eshro is a bad person that does not deserve to be king.
Zatch incontra un uomo gentile chiamato Shin, che però vuole distruggere la sua vecchia scuola per la sua triste infanzia e che ha un mamodo di nome Eshros che vuole sfruttarlo solo per diventare re.
Naomi, la matona de Zatch, está atormentando a Zatch en el parque como de costumbre, cuando de repente un hombre gigante parecido a Frankenstein asusta a Naomi y salva a Zatch !! Kiyo y Zatch vigilan cuidadosamente a este gran mamodo, Shin y su compañero Eshros, porque ellos también tienen un libro de hechizos. Al ver a Shin realizar todo tipo de buenas acciones, ¡Zatch está convencido de que Shin es un buen mamodo! ¡Pero Kiyo escucha a Shin y Eshros hablando, solo para descubrir que Eshros es el mamodo y Shin es el humano! Eshros, desagradablemente increíble, trata de instar a Shin a luchar y hacer maldades.
帰り道、ガッシュの遊ぶ公園に立ち寄った清麿は、魔本を持った少年・エシュロスを見かける。反射的に警戒する清麿。だが、パートナーの進一は、困っているガッシュを助けてくれた。清麿は心の優しい魔物を見つけた！と、思わずガッツポーズをとる。この二人なら友達になれるかもしれない。だが…。
