Chaika: The Coffin PrincessChaika: The Coffin Princess.

Chaika: The Coffin Princess (Japanese: 棺姫のチャイカ, Hepburn: Hitsugi no Chaika) is a Japanese light novel series written by Ichirō Sakaki and illustrated by Namaniku ATK. Twelve volumes of the series have been published by Fujimi Shobo under their Fujimi Fantasia Bunko imprint. It has been adapted into three manga series. An anime adaptation was announced in July 2013 and aired from April 9, 2014, to June 25, 2014.