MTL - Group Pet Eldest Lady, She Just Wants To Be A Salted Fish - Chapter 19

Kael Veyne was betrayed, hunted, and left for dead in the depths of the Abyssal Dungeon.As an infamous assassin, he was the empire’s deadliest shadow—until the day his guild turned on him.Ambushed in the Abyssal Dungeon, his body was torn apart, and his soul was consumed by the abyss. But death was not the end.He reincarnates 25,000 years later with the Devouring Bloodline System. Kael awakens in the body of a noble scion sharing a similar name to him, and his very essence fused with eldritch power.With every kill, he absorbs primal energy, evolving into something far beyond human. Monsters, mages, mancers, knights, assassins—nothing is beyond his reach.

Reminiscent of no mere illusion within a world of urban supernatural abilities, the art of magic herein is one of rigorous objectivity and precision!The Magician's Code:1. Unwavering belief in science2. Never perform magic in front of muggles3. Never break the magician personaRemember, if someone asks, tell them it's sleight of hand, that magic is surely a farce, a complete farce!One day, Jiang Shu discovers he can gain corresponding supernatural abilities through his magic performances. Thus, on stage, he believes in science, but off stage, he strikes with mighty blows.Simple magic tricks, solving minor mysteries, this is the ordinary day-to-day life of an average magician in a cyberpunk world.(This cyberpunk setting has no direct connection with any game and doesn't present any barriers to reading)(This story includes logical reasoning, magical detective work, magic analysis, and a light-hearted everyday routine, all of which will be featured.)

After breaking up with his girlfriend, he accidentally acquired a genius system and rose from there against the heavens, becoming invincible..

- Description from Novelupdates

I met the male lead in prison.