Human Beings Will Continue to Exist and Die in All Worlds

A story about a person who is given a cheat that will reap rewards as long as he works hard, and his survival in the world is endless. Is it destined to decline and destruction because the general trend is irreversible? Or is it because of simple weakness and powerlessness? Traveling through one world after another, changing the established destiny, and explaining a truth: if you are strong enough, you can really do whatever you want! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.