Set 2 years prior to the start of the TV anime.

Diarin, a priestess without any noteworthy family background or connections, always gets the toughest assignments. So when her boss tells her to help Ceres, a war hero, reintegrate into society, she decides ...

Don’t believe a word she says. Infamous jailbreaker Rosen Walker is finally being transferred to the Isle of Monte, the most notorious maximum security prison in the world. Her guard? None other than the b...