MTL - Civilization: Beyond Two Worlds - Chapter 835 who is she?

Calling the old god’s mage, the knight who inherits the bloodline, looking forward to the glory of yesterday;

The noise of steam engines and the roar of cannons indicate the direction of the future;

An Sen, who was living in this world, embarked on a road that had never been imagined;

In the ashes of the old world…he shall be crowned king!

- Description from novelbuddy

It has been adapted into comic：CEO’s Sudden Proposal / Flash Marriage Deep Love

She didn't understand why he took her to get married at first sight. She was just friendly to his daughter at the hospital, but she did not expect that his daughter haunted her to be her mother. It's only the first day of their meeting!

She thought he married her only because of his daughter, but in fact, he was deeply attracted by her kindness and simplicity, and he loved her deeply.

For the rest of her life, Will she love him like he love her?

Things were going great for the demon Bael-Sharoth until a little girl summoned him to open a jar of tomato sauce. Now he's trapped in the human world along with his arch nemesis the beautiful and capable Maharet Flameheart. Life isn't easy for a demon in a small town. But at least the parks are hellhound friendly and the werewolf at the local bookshop seems nice enough. Bael and Maharet must find a loving human family to take in this powerful young witch before time runs out or risk being stuck on earth forever.What to expect: A cozy found family romantic comedy in the style of Good Omens and On a Pale Horse.Gruesomely Wholesome. Enemies to Lovers. Strong Male and Female Characters. Loyal Hellhounds. Sassy Hellcats. A happy ending.

No family, no power, no inheritance — a thrice-lacking protagonist. Just how will the seed rise up from the mud?

- Description from Novelupdates