Chapter 1: So this is LOTM

Inside a glass decoration shop on the side road a young man is holding a ritual then his head explodes. After a few seconds the flesh at the base starts writhing as a new head regrows like nothing ever happened, the young man suddenly opened his eyes panting. But instead of looking confused he seems... excited?

What happens when a calm and collected business purposely get himself transmigrated to a world full of danger and how will he survive and how will the story change when you add him into the equation?