Miyo Sasaki, also known as "Muge," is a unique student in her second year of junior high. She has developed feelings for her peer Kento Hinode and persistently seeks his attention. Despite his lack of response, Muge persists on her quest while harboring a secret she cannot confide in anyone. One day, Muge stumbles upon a mystical mask that grants her the ability to transform into a feline named Tarō. This newfound power allows Muge to get closer to Hinode, but she risks becoming permanently trapped in her feline form.