The days of being a weapon shop owner in a different world

[Version 1] A 25-year-old youth was chopped down in the middle, and in the end unexpectedly survived and "rejuvenated". How will his fate develop in the future! ?Youth: "Let me calm down first." [Version 2] The story of a young man who traveled to another world and became the owner of a weapon shop, and picked up a companion by the way.