A manga adaptation by Karin Suzuragi began serialization in Kadokawa Shoten's Monthly Shōnen Ace magazine in December 2016, with eighteen tankōbon volumes released so far.

Taichi Nishimura and Rin Azuma[a] are two ordinary high school students who also happen to be childhood friends.

On the way to school, a magic circle appears beneath their feet, and Taichi and Rin both get mysteriously transported to another world called Altianutz.

However, as Taichi is forced to discover, his presence in Altia was willed by a mysterious woman who wishes to use his power to control the fate of this world.

[1] A manga adaptation of the series by Karin Suzuragi began publication in Kadokawa Shoten's Monthly Shōnen Ace on December 26, 2016.