Shattered Angels revolves around Kū Shiratori, an apparently-normal high-school girl, who enjoys school life in the large city of Academia.

Academia is one of the signs of recovery for humanity ten years after the greatest disaster humankind had ever seen.

As in Kannazuki no Miko, the names of the mecha are drawn from artifacts and figures of Japanese and European mythology.

The manga, created by Kaishaku, was serialized in the Japanese magazine Monthly Dragon Age (published by Fujimi Shobo) from May 2006 to July 2007.

Erica Friedman reviewed the anime on her blog, Okazu, saying it is "probably the best thing Kaishaku has ever created" even though it has many plot holes and its setting makes no sense, and praised Kaon and Himiko for having a "happy ending.