Atashinchi Movie

During a storm, Mikan and her mother are struck by lightning at the same moment and awaken inside each other's bodies. Mother delights in returning to school with youthful freedom, while Mikan discovers that managing the Tachibana household is far more exhausting than she ever admitted.

Yuzuhiko and Father search for a way to reverse the exchange as both women struggle to imitate habits no one else should notice. Living the other's routine gradually exposes complaints, sacrifices, and affection that daily familiarity had allowed them to overlook.