NTR Rogue in the Apocalypse - Chapter 9: Theodore’s Daughter

Reborn in a parallel world, this place is imbued with eeriness everywhere... Do not enter the bathroom after midnight. At two in the morning, the sound of knocking resonates on time. A woman, haggard and emaciated, always stands with her back to oneself. Encountered a strange event? Lucky for me, I can Rewind! This is the story of a Reincarnator, carefully navigating a reality invaded by the bizarre, combating the strange with bizarre poses.

The strongest King of Soldiers returns to the city of flowers, becoming his fiancée's cohabiting bodyguard!

He—an enigmatic and cold-blooded soldier with a mysterious background.
She—a ruthless and bloodthirsty spy.

Qiaosheng, you are the one who saves me, yet you are also the one who gives me hell. If we cannot grow old together, I’d rather we’ve never met before.

- Description from Novelupdates