Rebirth: 100 Days Before Doomsday - Chapter 153: Captain King

Before death Qin Tailong left two magic tools to his son, Qin Dong. In his father’s last words, Qin Dong realized his father had been murdered by Lord Wanpeng, who coveted one of the family magic tools—mystic chaos ring. Bearing the hatred in mind, Qin Dong swore to revenge against his foe. He escaped to the mortal realm temporarily, continued to strengthen his cultivation base and studied the secret hidden in the seals of the ring. While reveling the secret, he found five ladies were the key to the release the seals. Their romantic relationship with Qin Dong was established the moment he was born.

- Description from Novelupdates

2000 years ago a catacalism happend that changed everything, a mystrious type of enrgy called Ena was introduced to this world causing a wide spread mutation in animals and plants creating many bizzar new species every single organism changed and that included us humans as we gaind the applity to harness ena transforming us from mere mortals to super humens but the tiping of the pyramid was sudden and even with ena cultivators being born humanity could not stope the mutated beasts invasion, falling from the top of the pyramid as an apex predator of this world to a prey at lowest leveles of spectrom, 90 percent of the humen population were wiped out that was when someone discoverd that he could tame these beasts and use them to fight and grow stronger at a speed that seemed impossiple for any ena cultivatior saving what was left of humanity and curving a small pice of land as a sanqutary for the suvivers, those heros where called beast tamers and thats how this honoroble profisson was born.Waking up in a new world, Alan Ortex finds himself thrust into a bizarre and very dangerous new life. With a new family to protect and the desire to face the unknown, fear and excitement bubble up inside him. He will start his journey across the multitude of encounters that he will find in this new life. From a weak high school student, wondering and wanting to make a name for himself, wanting to enjoy his life to the fullest, as he promised himself on the first day he woke up in this new world. In this world full of bizarre creatures and beasts and unbelievable superpowered humans, he will become the strongest beast tamer ever—the absolute one.It's a tale of life, a journey into the unknown full of trials and one big mystery unfolding after another.Stay on your toes; it is going to get serious.

The dawn era after the end of the half century has gradually rebuilt the order, abandoned civilization, and is full of undivided violence and desire.
The noble and powerful pioneers are in charge of the city, and the evil and mad plagues are in the wilderness.
Pure human beings who cannot mutate are the weakest, dominated by the rulers of the pioneers, and are not as good as animals in the wilderness.
A purely humanized young man with a worldly experience has quietly entered the WTO, holding a three-foot long knife and a long-distance desire to boil in the world of purgatory. From the nameless name to the sorrow of the Supreme Court, the name of the black ride is resounding!

- Description from Uukanshu (translated)