例のトラックに轢かれた島原 勇太（しまばら ゆうた）は、勇者として異世界転生し無双の力で魔王を討伐！
──それから十年、待っていたのは平凡平坦でがんじがらめの日常。
しかし魔王討伐パーティーの一員、女戦士・リュカとの禁断の恋が燃え上がり…!?
Yuta Shimabara, who was run over by the truck, reincarnated in a different world as a hero and subdued the Demon King with unrivaled power! ── Ten years later, what he has to show for is a mediocre and hard-working daily life. However, the forbidden love with the female warrior Lucas, a member of the Demon King Subjugation Party, heats up …!?
