Monarch of Gluttony: System of Sin - Chapter 246: 246: The Ones Above

The world was once at war with 10 alternate worlds. This was known as the Concept War and our world won 60 years ago. All of this was concealed so no normal people are aware of this fact in the current time.

After the death of his grandfather, the high-school student Sayama Mikoto is suddenly summoned by the giant corporation IAI. He learns this world is headed for destruction due to the acceleration of the Minus Concepts. To prevent this, negotiations must be undertaken with the survivors of the other parallel worlds so their 10 concepts can be released.

And so Sayama is caught up in the final battle to clean up after the Concept War which left behind so much enmity.

Zhou Yu, a reclusive otaku, who did not like to go out of his house, was one day forced out of his house by a series of unexpected events.

- Description from Novelupdates

A little ruffian who fought recklessly without any morals and bottomline accidentally time-traveled to parallel space and became a Key Case Investigation Team agent. The huge change in identity had him creating chaos in the police station. However, a strange miracle system helped him repeatedly solve mysterious cases, turning him into an impudent ruffian detective!

“Listen, buddy, your cock was the last thing that got inside me, so unless I’m having some kind of miracle baby, yeah, you’re the father. Congrats.”—Raelynn had one goal that night—drown her sorrows in cheap whiskey after getting fired from her job. What she didn’t plan on was two surprises: one, a steamy night with a ridiculously good-looking stranger, and two, a $10,000 check for her the next morning. Jackpot, right?Wrong.Nothing could’ve prepared her for the biggest surprise of all—she’s pregnant. And the father? None other than Elion Vaelorian, the country’s richest and most powerful businessman, with a face that could melt ice... and a personality just as cold.What Raelynn doesn’t know is that Elion isn’t just any man. And the baby she’s carrying? Let’s just say it’s far from ordinary, and its existence could shake the foundations of the world she knows.