Shokei Sareta Saikyou no Gunnyou Majutsushi, Haisenkoku no Elf Hime to Kokka Saikensu ~Sokoku yo Jama Suru no wa Kattedaga, Sono Majutsu Tsukutta no Ore na Node Kikanai ga?~

Hert Eisenheim, a young archmage whose military magic makes his nation supreme, is executed after a jealous court magician frames him as a war criminal. He awakens in the presence of Iris Refrain, the first princess of an elven kingdom he once destroyed. The nation of Ingressa conquers its neighbors with revolutionary military magic, and Hert is the force behind its success. Now summoned by Iris, he faces the princess of a defeated kingdom, though the circumstances of his return are not yet clear.