I Became a Genius Commander at the Academy - Chapter 167: Trickery And The Thirty-Six Stratagems, Strategic Retreat (5)

Supreme Degenerate Lust System—the cheat ability that no man should have, but Alex? Alex earned it.This was the tale of a boy who wanked so furiously, so relentlessly, that his own dick—his loyal, overworked, war-torn comrade—finally called it quits and fell off.The same boy who was so hopelessly obsessed with a toothless, wrinkled gilf that he died doing what he loved—slipping in his own divine nectar like a tragic hentai protagonist with a severe addiction problem.He thought that was the end.That his dream—to finally pork a gilf—would go forever unfulfilled.But fate?Fate was a kinky, twisted bastard.When Alex opened his eyes, he was no longer lying in a filthy, crime scene-esque bedroom covered in the stains of his sins.No.He was in a new world—a world of magic, kingdoms, dragons, elves, and all that fantasy nonsense.But Alex didn’t care about any of that.Swords? Magic? Heroic quests?Boring.No, he had ONE mission.A sacred goal.A holy pilgrimage.To finally find the ultimate, well-preserved gilf and achieve his life’s work.And with the Supreme Degenerate Lust System at his disposal?Nothing would stand in his way.Not kings. Not gods. Not even the laws of nature themselves.The legend of the Lustful Fool begins now.

The world that nurtured the civilization which reached the pinnacle of magic was on the verge of destruction.
The last survivor transmigrated to the past, when the magic civilization started growing, as countless mages were still fumbling their ways through the thorny paths of magic knowledge.
He, who came from the end of the magic era, aim to reach the pinnacle of magic.

- Description from Novelupdates

Song Yun had given the best years of her life to Gu Yuanzhou, helping him reach the pinnacle of his career, bearing him sons and daughters.

On the night that she died in the raging fire, he was entwined in a passionate moment with his shining moonlight.

Only in death did she realize that she was nothing more than a tool to him.

Upon reincarnation, she vowed to take back all she had given him…

A ritual gone wrong gave him the world's deadliest Class—now all he wants is blood.Zeth stole the most powerful ritual magic in the world from a mad cultist. A Class that's fueled by the blood of his enemies and human sacrifice. One that's illegal to use, punishable by gruesome death. And now that he has it, he's faced with a choice: hide away for the rest of his life from those who would hunt him down, or embrace the power, becoming the hunter to get revenge on the murderer that stole his friends' lives.For Zeth, that's no choice at all.His enemies have to die. And he plans to use every drop of blood, eldritch ritual, and demonic summoning he can to kill them.