He is a civil engineering graduate.
At the same time, I also like to read architectural books.
By accident, he came to another world.
So, he led a group of barbaric villagers from another world who were not very smart, and went up the mountains to slay dragons and go into the sea to catch dragons.
There are good materials all over the world waiting for him to discover.
After doing so much, what do you want to do?
It turns out he wants to build the hanging garden of his dreams!