The Extra Wants Control - Chapter 36: Arcana Mysteria.

He mocked the omegaverse. Now he’s living it—with a baby on the way.Souta Tachibana was just your average, overworked office drone—until his BL-obsessed coworker introduced him to a trashy omegaverse romance novel. Curious (and a little horrified), Souta read it for laughs. But then he died in an accident.Now, he wakes up in the body of Lucien d’Armoire, a minor noble in the empire of Aetheria. No plot relevance. No destined lovers. Just a quiet, boring life as a background beta.Until one morning, he throws up into a chamber pot… and his doctor says something unthinkable:“Baron d’Armoire, you’re pregnant.”Which is impossible.Because he's male.And straight!And because Betas can’t get pregnant.…Right?Except Lucien is no Beta. He’s a rare male Omega. Apparently, during one reckless, drunken night, Lucien slept with an Alpha. Now he's pregnant, confused, and definitely not ready to be a father. To make matters worse—he doesn’t even know who the father is.

Waking up from a deep sleep, Lin Yue found herself having transmigrated into a peasant's new wife, and to make matters more complicated, she was a replacement for a deceased wife. The husband, over a decade older than her, had already lost two former wives. It wasn't so much a marriage; she had been sold to the family by her unscrupulous parents. Her fate was out of her hands. Before her stood one, two, three, four children, like a line of burdens, all gazing at her with blurry and hopeful eyes. Lin Yue felt an enormous pressure, “Thanks to Yuewen Book Review Group for providing review support!”

Enzo ventured into the primitive era, chosen as a priest by the Crimson Star tribe and emerging as the leader, awakening numerous extraordinary abilities in the process.In order to enhance their way of life, extensive reforms became necessary.Mystical sorcery and modern technology advanced hand in hand.While other tribes still dwelled in caves, the Crimson Star tribe had already gained prominence, constructing sturdy brick houses.While other tribes were still using primitive wooden spears and stones, the Crimson Star tribe had forged ahead with iron tools.In the midst of other tribes worrying about food scarcity, the Crimson Star tribe was reaping bountiful harvests of various grains.Furthermore, they possessed an unparalleled army of totem warriors.In response, Enzo, embraced by the luscious temptress and leading the enigmatic cat maiden, earnestly expressed, “I truly only sought to improve our way of life. How did I inadvertently elevate the tribe into a divine realm?”

Calamity descends upon a a tranquil world in the black of night, transforming it into a death game! This a a true apocalypse, but this is not the end of humanity!

- Description from Novelupdates