Mogu emerges as one of two stuffed dinosaur plushies anonymously gifted to protagonist Miho. These seemingly ordinary toys soon unveil their true nature as sentient magical beings. When Miho's aunt destroys her disco queen contest dress, Mogu and companion Pigu swiftly intervene to alleviate her distress. The duo bestows transformative magic upon Miho, temporarily morphing her into 16-year-old idol Fashion Lala. This enchantment becomes the pivotal solution for Miho’s underage entry into the competition. Through their actions, Mogu and Pigu catalyze Miho's evolution from social marginalization to a dancer whose performances resonate with audiences.