Swallowing the Sky from the Beginning of a Ghoul

In this world, eating and being eaten are the norm. Only the strong have the power to live, while the weak can only passively accept death. A young man from another world came to this world of cannibalism. After experiencing the true horror, the young man awakened to the biological evolution system. He can allow his son to evolve infinitely, devouring all enemies, evolving infinitely, and constantly wandering in various worlds. At this point, a ghoul who vowed to devour countless worlds and become the last strong man was born. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.