Moko stands as Akko-chan's closest friend and constant companion. She steadily supports Akko, sharing her everyday life and magical adventures. Moko directly participates in events tied to Akko's magical experiences, including the summer festival film adventure where the group visits the beach and uncovers the legend of the white dolphin. Acting as Akko's confidante, Moko witnesses and engages with the situations sparked by Akko's use of the transformative magic mirror. She maintains this supportive friendship faithfully across the story's adaptations: the original 1969 anime, the 1988 remake, and the 1998 version. Her presence offers Akko a reliable human connection amidst the magic. Moko's character emerges through her interactions with Akko and their peer group, including classmates Kankichi, Ganmo, Chikako, and Taisho. She joins in group activities and shares their curiosity about local legends, like the mysterious island explored in the summer movie adventure. The available information does not provide further details about Moko's background, family, or individual character development across different media.