Menhera tensei ~ sekai o sukuubeki kyūseishu wa orede wanaku ore no koro ken sutōkādatta ~ (Associated Names)

These feelings, unchanged forever When I realized, I was in an unknown world. A world where common sense no longer applied. The protagonist, Yuusha, wakes up in a completely different world, with his last memory being that of a hospital. Supposedly powerless, he is reluctantly hailed as the savior and sets out to defeat the…