Mob Protagonist ~ Mob in the Novel But There is a Problem - Chapter 231.2: Long-Awaited Mining Dungeon

Zarah is nothing but a lowly runt in Howl Creek who is bullied relentlessly. She wants nothing more than to leave the oppressive pack. When it is revealed who her mate is—none other than her greatest bully, Alpha Damon—she is humiliated and rejected.She leaves for the human sector and lives her life with her son, only for the past to come knocking. Alpha Damon is back, and he wants his son.

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

A side story series featuring the girls of Kyoukai Senjou no Horizon.

What happens when you survive seven hellish years on an alien planet in the ultimate battle of the strongest in the universe—as a human?What happens when you give everything you have and more to defeat the final boss in a battle to the death… only to wake up the next second, back at day one?Going through it all over again?But something is wrong.The game in his hands isn’t Nyxfall 6: Dark End, the world he spent over seven years surviving. It’s Nyxfall 7: The Veilbreakers—the next installment.He won? So now he’s been given another game to play?And he’s not alone. There are others like him in every alien civilization. This time, it’s not just survival—it’s about who can lead their people best.That is… if they even care about their people at all.Why bother leading at all? With everything they have learned, why not exploit the system, amass unimaginable wealth, and live like a king in a game that pays in real money?