Nakitai Watashi wa Neko wo Kaburu

Miyo “Muge” Sasaki is a peculiar second-year junior high student who has fallen in love with her classmate Kento Hinode. Muge resolutely pursues Kento every day, but he takes no notice of her. Nevertheless, while carrying a secret she can tell no one, Muge continues to pursue Kento. Muge discovers a magic mask that allows her to transform into a cat named Tarō. The magic lets Muge get close to Kento, but eventually it may also make her unable to transform back to a human.

Miyo Sasaki, nicknamed “Muge” meaning “infinitely mysterious,” has a bright personality and is full of energy at school and at home. She is also in love with her classmate Kento Hinode. Miyo tries repeatedly to get Kento’s attention, but he takes no notice of her. She realizes that the only way to get close to him is to transform into a cat, but at some point, the boundary between herself and the cat becomes ambiguous.[Source Themoviedb, Myanimelist]