Zatch is out playing when Naomi chases him down and steals his lunch. Zatch distraught over the loss is comforted by a giant old woman. The woman reveals her name to be Nana Boba and proceeds to tell Zatch she is searching for the Hiromi, the soon to be wife of her son. Zatch volunteers to help her and suggests searching her son's house. There, Zatch catches Hiromi's scent and tracks her down. Zatch asks Nana what if Hiromi was someone who wore cheap jewelry and a short skirt, she would beat her up. Zatch spots Hiromi and tells Nana. He then notices the jewelry and short skirt, tries to hold Nana back. When Hiromi enters a bus, Nana runs after it and Zatch tries to stop her. Zatch soon crashes into the bus when it suddenly stops and loses consciousness. When awaken, Zatch sees Nana give Hiromi her old wedding ring and wishes her well. Zatch realizes that Nana was joking about her threat and that she knew her son would choose a good wife.
Mentre Zatch gioca, Naomi lo fa cadere e gli ruba il pranzo. Zatch viene confortato da una gigantesca anziana signora che gli dice di chiamarsi Nana Boba e che sta cercando la futura moglie di suo figlio.
Zatch está fuera de juego cuando Naomi lo persigue hacia abajo y roba su almuerzo. Zatch angustiado por la pérdida es consolado por una mujer de edad gigante. La mujer revela su nombre para ser Nana Boba y procede a contar Zatch ella está buscando la Hiromi, pronto para ser esposa de su hijo.
一人で遊びに出かけたガッシュ。ご機嫌な様子だったが、お昼の時間になるとお弁当を落としてしまったことに気付く。すると、途方もなく巨大なおばあさんが現れ、涙にくれるガッシュにお弁当を分けてくれる。彼女の名前は馬場アンアン。お弁当を分けてくれたお礼に、ガッシュはアンアンの人探しを手伝うことにする。