Relying on the Sword to Seal the Demon

What should I do if there is a monster ahead? Cut him to death! What should I do if there is a group of monsters ahead? What are you asking? Run! ! ! A retired special forces soldier strays into a different world where demons are rampant. Let's see how he can break free from the shackles of fate... Welcome to the world of Sword and Demon Sealing Record. Note: There is no cow gate here.