DxD: The fake X fate - Chapter 40 -: Sirzechs-sama

Transform into Divine Dragon and dominate the world!
He is the only Divine Dragon in the sea who founded an underwater Dragon Palace.
With Crawfish Soldiers and Crab Generals as his followers, wild sharks and gigantic octopuses as his subordinates, he is the dragon that rules the city.

- Description from Novelupdates

Lucian, a guy who can exist in both times, day and night, was chased by both. An enemy of the world. A survivor who thought he was a hero, a world saviour, but it wasn't as he thought; he wasn't a hero, he didn’t even know the truth, the truth he knew was flawed, causing more harm than help to the world.When he got to know the truth, it was already too late. The world had fallen, but it wasn’t the end. It was the beginning of destruction.

In her past life, she trusted the wrong people—and betrayed the one man who loved her most. Blinded by lies, she pushed her fiancé into ruin. Yet even as the world turned against him, he forgave her. And in the end, he slaughtered all her enemies… before using the final blade to follow her into death.Now reborn, she swears to rewrite her fate.This time, she tears apart the fake innocents, crushes the traitors, and rises in brilliance—only for one purpose: to win back the heart of the man she once destroyed.But little does she know…He never truly left.From the shadows, he has already laid his trap, created a world where she can only fall—back into his arms.A love once buried in blood and regret will now reignite amidst vengeance, redemption, and fate's cruel game.

The world has turned into a hell, a place where the strong thrive!