Ore to Kanojo ga Maou to Yuusha de Seitokaichou

is a Japanese light novel series written by Jo Aikawa, with illustrations by H2SO4. The series began publication on May 10, 2010 by ASCII Media Works under their Dengeki Bunko publishing imprint.

Synopsis
A long time ago, outsiders appeared in a land governed by people. The present age that coexists after several conflicts. There is a hero, Kotaro Usawa, who was created to deepen the coexistence of these two species and enrolled in "Sacred Kiri Gakuen" where there is a "Brave Student Organization" on the human side and a "Maou Student Organization" on the outside. Suddenly became the Demon King student president.

On the other hand, Alice Fushijono, a childhood friend , becomes the chairman of the hostile hero student organization, and Kotaro ends up living a school life with her childhood friend (which is originally hostile) while hiding her identity.