Maou-sama no Machizukuri! ~Saikyou no Danjon wa Kindai Toshi~ - Volume 1 Chapter 8

The end of the world is coming, the world has undergone great changes, and everything has changed. Plants, animals, and even insects, as long as there are living things, have mutated.
Become more powerful, and even evolved supernatural abilities, such as chickens and ducks that can fly to the sky, such as cats and dogs that can breathe fire.
But only humans, without any obvious changes, seem to have fallen from the top of the food chain to the bottom of the food chain overnight.
Any creature that can open its mouth to eat can treat humans as food.
But fortunately, this world has not completely killed humans. Gradually, humans discovered that they had the ability to cultivate compatibility with other creatures.
As long as it has a high degree of compatibility with some powerful mutant creatures, it can be used for its own use to achieve the purpose of protecting itself.
Fang He is a person who is very compatible with mutant animals, but it is also because of his ability that he has changed from the strongest to the stupidest.
Fang He, who was reborn, said, “Hmph, this time…”

- Description from novelbuddy

After a sudden and inexplicable transmigration, Maximus finds himself in a fantasy world where extraordinary power exists. But he is not without his advantages; he possesses a system that grants him the ability to become stronger as he takes on wives and birthed children.Determined to conquer this new world, Maximus uses his cheat to gather wives and birth children, building up his power and influence. As he gains more allies and resources, he sets his sights on the ultimate prize: ruling the world and surpassing even gods.However, the road to conquest is not an easy one. He must contend with powerful factions, rival conquerors, and unexpected challenges as he builds his ideal empire. But with his cunning mind, he is determined to succeed and become the greatest conqueror the world has ever seen.

Choices. Crossroads. Opportunities.Plunged into a broken world ruled by the strong, Damien must decide how his newfound life will proceed. Navigating through conflicts and alliances, his journey intertwines with the fates of powerful figures and kingdoms, challenging the very fabric of the hellish world.Set against the backdrop of the legendary One Piece universe, this tale reimagines familiar characters and lore, weaving a narrative that explores themes of power, redemption, and the indomitable spirit of adventure. Damien's quest is not just for treasure or glory but a deeper pursuit of a truth that could change the course of history.As the tides of the Grand Line shift and churn, Damien confronts the harsh realities of the pirate world, facing challenges that test his limits and forge his legacy. In this saga of the high seas, only the bold dare to dream, and only the strong survive. Will Damien rise to become a legend among pirates, or will the unforgiving waters claim yet another soul? The journey to discover 'One Piece' is as perilous as it is wondrous, and for Damien, every choice and battle is a step closer to his ultimate destiny.Join him as he goes against all odds in the world of Pirates, Marines, and Revolutionaries, sailing on the Path to Power!

Mochizuki Touya, a 15-year-old boy, who got zapped by a flash of lightning due to a freak accident caused by God, wakes up and finds himself face-to-face with God.