Mama is one of the mothers residing in the lush Yamabiko Village, living alongside her family, including grandparents. Her life centers on this verdant community. She and the other village mothers are seized, an event that forces their children, including Hanakappa, to embark on a daring rescue mission to the Butterfly Kingdom. Her kidnapping creates a profound void in the village, highlighting her role as a pillar of village life and caregiver whose absence shatters normalcy and compels the children's adventure.

Hanakappa and his friends undertake their perilous journey, driven by the urgent need to find and bring back the kidnapped mothers, including Mama. This quest pushes them through formidable environmental challenges like freezing mountains and scorching deserts, demonstrating their unwavering commitment to reuniting with their mothers. Though physically absent for most of the journey, Mama's presence remains the powerful emotional catalyst fueling the children's perseverance and bravery throughout their trials. Official media details no specific interactions, personality traits, or individual development beyond her role in motivating the quest. She functions as one among the mothers, embodying familial bonds and the core motivation for the protagonists' actions.