Reborn as a Cannon Fodder in a Construction Novel, I Married the Protagonist and Became His Husband

[Two Male Leads + World-Building + Spatial Ability + Superpowers + Devoted Couple + Raising Kids + Wish Fulfillment]

Wu Xian is a killing machine in the apocalypse.

When the apocalypse collapses, he transmigrates into a book as a cannon-fodder character. He steals the protagonist's husband, sells the child, and ultimately dies without a proper burial.

Wu Xian takes it in stride. Transmigrating into a world in chaos?

No problem. He has a spatial ability and superpowers.

In a world where he reigns supreme, watch how Wu Xian rises from cannon fodder to become a regional overlord.

He and his husband rule the world together.

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The cover has been changed. It's the baby raised by the top who grows more and more beautiful.