In high school, Ink Nijihara harbors a crush on Nao Tezuka, who barely acknowledges her existence due to her diminutive stature. However, Ink's fortunes take a magical turn when she encounters a duck and transforms into a 'mahou shoujo.' Embracing this newfound persona, Ink disguises herself to tutor Nao in English, blending romance and enchantment in a whimsical tale of transformation.