The supporting character's harem is very normal - Chapter 62 Black Rose Flame

In her previous life, she had misjudged people, mistaking enemies for kin. It wasn't until her body sank to the ocean floor that she had a sudden realization.Reborn seven years earlier, she grasped the Water-Repelling Pearl in hand, navigating unimpeded through lakes and oceans, ready to gather endless treasures. She vowed to carve out her own realm in the marine and collectibles industries.Before the conspiracies could even begin, she strategized every move. She would settle all past grievances—what was being a wealthy heiress? She would be the wealthiest of them all!

“I think… my boyfriend is trying to kill me,” Lin Sanjiu muttered.

As she thought about that rich, handsome, and gentle boyfriend of hers, she could not help but tremble all over.

At the present, someone close to her had personally raised the curtains to an apocalyptic hell, and slowly, it was creeping up to her.

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What if earth devolved into a apocalyptic hellhole? What if you found out you not only have to survive just one apocalyptic event but have to struggle through multiple worlds with different end-world scenarios? And you get to meet more superpowered crazies than you can imagine!

Presenting the worst nightmare that your weird doomsday prepper neighbour with a bunker full of canned beans could have, Doomsday Wonderland is a novel filled with subverted tropes, non-OP characters and a female friendly label which offends all politically correct fanatics.

As ‘lucky’ humans evolved to posthumans with abilities to adapt to the New World or mutate into disgusting duoluozhongs to survive, follow Lin Sanjiu as she struggle through the multiple challenges to just live one more day… and make sense of this New World that will no longer be the same.

- Description from Novelupdates

This is the story where Urahara Kisuke died after Nel failed to save him inside Askin’s Gift Ball Delux and reincarnated in the world of DxD.

I am not sure if I can capture Urahara’s character properly so I apologize in advance if you are not satisfied.

Also, English is not my native language.

I don’t own any of the characters from the canon.

What if you had a system that could rewrite reality itself?Lucius transmigrated to this new world with his amazing system that let him hacks any beast but because of his arrogance, he was chased and sealed by people who were jealous of his talent.Fortunately, Lucius had created a new body with his system. With this new body he vowed to be secretive and also become the strongest by using his system that can hack everything even making his beautiful enemies into his beasts.Erase a rival’s talent? Done.Enhance an ordinary beast to perfection? Easy.Rewrite a noble’s fate? Child’s play.Making Villainess into his slave? Perfect ending.With his loyal slaves, a growing arsenal of hacked abilities, and also his devious mind, Lucius sets out to dominate everything. But as he reshapes the world to his will, he can not hide forever so can he remain in the shadows long enough to achieve his ultimate goal?Enter a world where reality bends to one man’s will. In a world ruled by power, Lucius doesn’t just win. He rewrites the game.Unleash the System. Rewrite Fate. Dominate All.