Kukuri, a 13-year-old magic apprentice, is the final survivor of the Migu Migu tribe, inheritors of the forbidden Guru Guru summoning arts. Raised by a reclusive witch in Jimuna Town after a mysterious stranger delivered her as an infant, her heritage remained shrouded until destiny entwined her with Nike, the reluctant hero tasked with overthrowing the demon lord Giri. Her magic demands precise staff-drawn circles, its potency swayed by emotion: joyful dances amplify spells, while doubt or fury risks misfires—summoning chaotic entities or triggering her monstrous Devil Kukuri form.

Cheerful and gentle yet fiercely loyal, she clings to Nike, dubbing him "Mr. Hero" with unwavering devotion. Romantic yearning fuels comically volatile reactions to rivals or jabs about her round cheeks or "steamed octopus" nickname. Her arsenal spans fiery Lizard’s Tail flames, stalwart Bemu Bemu Guardians, and immobilizing Seal Magic Circles. Each spell failure inches her closer to Octo-Tim’s arrival, heralding her demonic transformation.

Post-Giri’s defeat, adolescence severs her Guru Guru connection—its power bound to childhood. Yet in later adventures, longing to reunite with Nike reignites her magic through reinvented incantations, blending geometric precision with whimsical strawberry-themed spells and elemental summons. Though wielding shadowy arts, she anchors moral clarity, balancing affection for Nike with duty.

Her growth weaves mastery of dance-hidden spells, emotional maturity, and surprising physical feats—taming beasts or disarming foes sans magic. From wide-eyed apprentice to resilient ally, her journey culminate in reclaiming her magical identity, proving resilience transcends age and darkness alike.