Former Demon King Ahriman's world conquest plans are thwarted by his own daughter Dou's gentle nature. As she charms all beings with kindness, demon aide Jahi attempts to train her in proper demon ways.

Follows the story of the the five members of the Ikkokan High School bowling club, Mai, Rina, Sayuri, Nozomi, and Nanase, as they lose and fight, and finally win.

Em um mundo de fantasia, um herói solitário ganha a vida exterminando cada duende que encontra. Mas um dia ele encontra um amigo e sua vida começa a ficar mais intensa.

The series revolves around Kasumi Toyama, a high school student who looking for the "Star Beat", a sparkling and exciting sound which she heard while looking up at the night sky during her childhood days. Ever since then, she is constantly searching for something that will stir her spirits up. One day, she finds a strange star-shaped guitar with glittery stickers on it. Without knowing, she immediately decides to form a band after witnessing the performance by a band at a live house.