A class is suddenly transferred to another world, a world of swords, magic and monsters, but upon the class' arrival to this unknown realm, most of them immediately die from the transfer. Now, the surviving students are coerced into fighting as slaves for an emperor under the pretext of being her...

In the middle of a civil war, hunted by the Church, archmage's daughter Anna is looking for a person with dragon powers. Her only lead is the sorceress Sagara. To find her, Anna follows the trail of her pupil, Cinderella, alledgedly a minor deity.

A simple foreign-exchange student suddenly finds himself trying to save a young woman's life from the mob. Yep, it's the last thing he expected.