Look. It Turns Out This Is the Saint.

The good-for-nothing young master who has lived for 17 years, I was punished by my father because of something wrong. I unexpectedly got another life. In this world of natural selection and survival of the fittest, we have our own world. The loser will always be stepped on, and the attitude towards life is our unchanging criterion. Come on, young man, pursue your own world in this fantasy continent. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.