Angel's 3Piece!

Reclusive high school student Nukui Kyo uploads a song to a video site, attracting the attention of a trio of musically-inclined fifth-graders.

Kyo and the girls are determined to put on a concert, but they need a way to advertise.

A fourth girl at the orphanage, Kurumi, turns out to be Kyo's classmate. Kyo's sister, Kurumi, meanwhile, isn't happy that he hasn't been spending more time with her.

Kyo is determined to go back to school in order to set a good example for the girls.

Kyo and the girls set out to make a promotional video for their band.

Little Wing has visitors from abroad. They bring good news, but Nozomi has to make a difficult decision.

Lien de Famille is sent an invitation to perform at a remote island. They are greeted warmly when they arrive, but something doesn't seem right.

Sakura and Master leave to go fishing, while Kyo sticks around with the girls to help them rehearse. Kyo discovers a cryptic, threatening letter on his bed.

Kiriyume reveals herself as the human stand-in for the god Kiryuu. Kyo and the girls want to help her out of her isolation.

The band returns home, where they are met by Koume, who is keen on marrying Kyo. Every little thing makes her jealous, which makes Kyo even less available.

Kyo turns Koume down, but she declares a band battle for his heart against Lien de Famille. But first, she needs a band.

Jun finishes writing her song, and Kyo finishes preparing the music for Team Koume. The battle begins!