Moetan is an anime series based on a series of English language study guidebooks with illustrations and themes appealing to fans of Japanese pop culture. The series follows Ink Nijihara, a shy high school girl who transforms into a magical girl to help her crush, Nao, improve his English skills. With the help of her magical partner Ah-kun, Ink navigates various comedic and whimsical situations. Moetan combines cute character designs with humor, making it a unique approach to language learning.