Doshi-sama to Issho

is the first volume of the Doshi-sama Series light novel series, written by Gakuto Mikumo and Illustrated by Eiji Usatsuka. It was released under the Dengeki Bunko Imprint in January 2004.

Synopsis
The story of the not-so-distant future. Mankind was fighting for supremacy on the ground with the electronic intelligence "beast" that came from space. Only the elemental engine, a superweapon powered by spirits, can counter the "beasts" that pollute all machines. Ryuya Drifting was a super-elite cadet- "Doshi" who was given the elemental engine. He is selfish, but his face and ability are top notch. Princess Klaun of the future nation "Kunlun" suddenly imposes a difficult task on such Ryuuya. Going back to the past 400 years ago, I wanted to protect the endangered "witch" Eki Tennozu ... A non-stop action comedy by high school girls living in the present age and elite Taoists from the future. , Suddenly opening.

(source: Amazon JP - Translated)