I Have a Mansion in the Post-apocalyptic World (Web Novel) - Chapter 8: Huizhong Mercenaries

On the distant Tianxiu Planet, there exists a group of unusual and intelligent beings. They consist of neither children nor elders. They have neither birth nor real death. They are born into the world through an extremely special process and have managed to keep their fundamental memories of survival through their endless reincarnations.

They are the Tianxiu people.

For every Tianxiu person, if they find someone they like and want to bind as partners with each other — then they would have to go through a life or death Adult Ceremony. The winner of the ceremony will become the absolute dominant in this spousal relationship.

While the defeated one will be referred to as — Qizi.

- Description from Novelupdates

Su Li, an ordinary person who lived for 30 years, surviving on social welfare as a laid-back slacker.Occasional pointless complaining and self-defeating philosophical platitudes didn’t bring any meaning to his 30 years.Until he was transported to another world…Su Li, who had no elemental talent, Su Li, who was labeled as useless, lived an unremarkable life.One day, Su Li picked up a person in distress and told them: “The reason you think light is important is only because darkness pervades the world. When light fills the world, darkness will become important.”The Son of Light Saint who was betrayed by the Bishop of Light— He’s right!He is the sage who guides people forward, the signpost standing before the people, my faith, my everything!He is not a god, yet he far transcends gods.Su Li saved an injured mute bird. As birds sang outside the window, he told the bird: “The reason people like things that make beautiful sounds is only because they happen to understand that sound. Because of ignorance, there is no sin.”The Level 9 demon beast Raven, severely injured by the Mercenary Association:— All people are ignorant and foolish, thinking that ravens represent evil, even labeling me as a natural disaster. I hate humans the most, but he is the exception.If the world is what he wants, I too will aspire towards it.Su Li told his young friend who wanted to go to the big city to strive for success: “Moving upward is human instinct. If one day you fall due to reality, please don’t hate yourself.”The friend who eventually amassed enough gold coins to fill a city:I once thought that a child from a remote countryside would never understand everything I pursued. However, heaven blessed me, allowing me to witness true great wisdom…

Having been reborn in the high school graduation season of 2008, Li Yuan found himself back at the moment when he confessed to the school beauty...Bai Weixi: “Thank you, being liked by you is an honor for me, but I don't want to be in a relationship right now.”Li Yuan promptly took back the gift he had presented: “Then give me back the gift I gave you.”Bai Weixi, with her beautiful eyes wide, looked at him in disbelief: “Li Yuan, what do you mean?”“You've already rejected me, yet you still want to keep my gift?”“But we are good friends!”“Heh, like I'm short of good friends? What I'm short of is a girlfriend, you get it?”Watching Bai Weixi, disheveled in the wind, Li Yuan turned to ask: “By the way, could you give me your best friend's phone number?”Bai Weixi fumed with anger: “Li Yuan, what are you trying to do?”Li Yuan just shrugged nonchalantly: “Nothing much, she's prettier than you, I've decided to pursue her instead.”

He is a young man without a spirit root. It is believed that this denies him the chance at cultivation. However, a mysterious lady imparts a Supreme Demon Classic to him and from then on, he starts his path of cultivation.
He undergoes a total transformation to emerge as the most fearsome and powerful fiendish demon in his era, that even immortals and fiends are fearful of him, and saints are at his beck and call.
Mastering the Supreme Demon Classic is the turning point in his life. He is able to unleash his immense and divine power from within, illuminating the entire universe!