Maoyuu Maou Yuusha - Volume 1 Prologue — Maoyuu in Short

The beauty and the taboo existing together.Unattainable and unacceptable.An existence only to be admired from afar.A hero of legends but a also a girl of tragedy.Shining like a star in the sky, all alone, forever…-But that’s too sad isn’t it?Our MC, an ordinary middle aged man, is an author that wrote books and after pouring 2 years of hard work in a book, his hardwork finally bore fruit as his book got the second prize in the regional awards.A fruit that he couldn't eat.Why?Because he along with hard work, he also poured his piss somewhere he shouldn't and died.Exactly how?Read the prologue, and you will find out~But of course, that's only the start, as the next time he woke up...He was in another world.

One day, Luo Jian woke up from his sleep and found himself in a locked chamber where the door and window were all sealed. A note with a few lines written on it was tacked to the wall: “Escape from this room within an hour, otherwise, you will die.”

There is a sequel called Reincarnation Night (轮回之夜) that takes place in the same universe but has different main characters

- Description from Novelupdates

Mythological revival, Blue Planet suddenly expanded hundreds of times, countless creatures from ancient myths appeared, dividing territories.Strange beasts from the Classic of Mountains and Seas, apocalyptic beasts from Western mythology, colossal demonic bodies from the deep sea...Xu Zhou traveled to this dangerous parallel world and discovered that he had a clone of a giant rooster.Moreover, he obtained the talent to gain one kilogram every day.This talent continued to upgrade with the evolution of the clone, one hundred kilograms a day, ten thousand kilograms a day...From then on, a Kun with unlimited growth ability started to grow infinitely, gradually evolving into a mythical beast.One thousand jin, ten thousand jin, one hundred thousand jin...Years later.“My current weight is 90 trillion trillion tons, with a punch that can kill a mythical creature.” In the starry sky, Xu Zhou stared at a mythical giant beast in the void, with icy killing intent in his eyes.The next second, the planet-sized body surged suddenly...

For the large sum of money to help her husband, she chose to be a surrogate mother covertly. Her sweetheart was out of trouble, but she became the woman of loose morals in his eyes. Misunderstanding, disappointment and sadness forced her to divorce the man she loved from the childhood.

When she was determined to start new life, another man burst into her life. “You are my baby’s mommy and you are my wife!” A big surprise hit her that her baby’s Daddy, the man she surrogated for, fell in love with her at his first sight.

His deep love convinced her to believe the affection of love again. Unexpectedly, her ex-husband returned to beg her recombination. One was her childhood sweetheart, and the other was the man who loved her and gave her hope for a new life……Facing the two men, what is her choice?
 

- Description from Novelupdates