One Piece: Dungeon Shop. Scamming Garp, Reward: Eight-Tails Jinchuriki - Chapter 187: The Predators

After you’re awake but find yourself looking like a character in a game and came to a strange place, is this a different world or a game? Is it a rebirth or a cross over to another world? Everything needs to be explored by yourself!

- Description from Novelupdates

The world changed the day that cracks appeared in the sky– suddenly monsters named『Demonic Beasts』appeared and began to rampage, attacking people.

Meanwhile, girls called『Magical Girls』began to appear to counter the demonic beasts. As they defeated the demonic beasts, gradually people’s lives gained a semblance of composure.

–but when there is light, there is also darkness.

In the corner of an alleyway, a boy who had been attacked by a demonic beast was dying. His voice begging for help did not reach anyone and his body refused to move.

「Boy. Do you want to be saved?」

Looking into the boy’s face, a black cat began to speak to him.

The boy nodded firmly to the devilishly sweet invitation, in response the black cat mocked him.

「Is that so—then I’ll【Haunt (Save)】you」

—on that day, a『Magical Girl』was born in a place that no-one knew.

『She』never laments, no matter what the future may bring.

Transmigrating into a different world where Guardian Beasts reign supreme, Gu Xing is supposed to be the chosen one envied by all!The first Guardian Beast he summons turns out to be a rare Epic Level Enchanting Demon!However, just as all eyes are on him, this Enchanting Demon betrays him in public.“Master, he's offering too much!”She then turns to the embrace of a rich heir, leaving behind a scene full of ridicule.Yet no one knew, Gu Xing has awakened a system that could see through all Guardian Beasts' training paths!Amidst the laughter of the crowd, he contracts with an Angel deemed “crippled.”After using materials to heal her wounds, the Angel fully recovers...Gold... Legendary Talent!​

When he did not know her true identity, he treated her very badly, he disliked her too much, she was not elegant enough, she was in the way...Only later did he realize that the woman was his legal wife! He repented, tried to recover her feelings, but she was determined to divorce him.