Supreme Casanova: Ultimate Harem System - Chapter 14: The Art Of Approaching Women.

A chance to change, to challenge destiny, making dreams a reality, and live a legend! A regular man gains a system that allows him to turn into a fish!

Feng Yun thought his story ended the moment he took revenge for his family’s slaughter. But death was just the beginning. Awakening in the void, he is offered a second chance by an unknown entity—at a price.Reincarnated into a ruthless world where the deadly game “The Path to Godhood” has begun, Feng Yun must carve his way through deception, bloodshed, and power struggles. With the memories and skills of his past life intact, he has one goal: to survive, rise, and uncover the true purpose of this treacherous world.In a realm where only the strong dictate fate, will he seize power—or be consumed by it?

The notorious imperial court lackey and the meritorious military general were well-known for their mutual dislike, a pair of arch-enemies set in stone. Who could have foreseen the unexpected change in the winds of heaven: the general injured on the battlefield, both legs disabled, and even forced by the emperor to marry his nemesis.  

With one marriage edict, two people with mutual hostility are forced to marry and live under the same roof. Yet after these long days together, they come to the realization that this fellow is not truly devoid of any saving grace/unattainable and high out of reach.

- Description from Novelupdates

This world is sick; both Immortals and mortals suffer from a stubborn ailment known as Longevity.Under the influence of Immortality, various Cultivation Techniques evolve rapidly in grotesque and inexplicable directions.[Fetal Period: A baby is born with shriveled, powerless limbs.][Childhood: After 20 years, the Internal Organs completely decay.][Weak Crown Period: At 50 years, the flesh dries and withers.][Thirty Years Old Stage: After 100 years, the blood runs dry and gives birth to mutations.]I am an Immortal Seeker, and also one seeking survival.