Despite feeling her physical strength waning, Akari takes her daughter to kindergarten, meets with her mother's friends, and heads off to work. Akari, an ordinary housewife who is busy with housework, childcare, and work, is supposed to have a peaceful day as usual. But one day, Akari realizes that she can't remember her past, and suddenly a nostalgic voice speaks to her. "Remember, Akari! Remember the time when you were...!" At that moment, Akari's body is enveloped in light. The slapstick fantasy of a former magical girl who became an adult begins!