A man's Hobby in Creating the Over-the-top items

This is a story about a man. A man who liked to create and build with his bare hands. He wasn't much of a combat person, as he prefered to purely create. He liked making over-the-top items and weapons. But one day he got sent to this world, with nothing but the backpack on his back and his ability to craft, he tries to find a way to make a living. (Rated M for safety reasons.)