I Dragged My Fiance's Uncle off the Altar - Chapter 59 - Whispers

“Ding! Soulbinding has been successfully completed; you will now head to the Heaven Awaken World.” After hearing this, Zhao Fu’s vision darkened as he fell to the ground.

Kota Sakamoto—virgin weeb, social reject, and hentai game addict—gets sucked into a perverted dungeon world straight out of Carnal Labyrinth EX, the 18+ erotic strategy game he secretly 100%-cleared.The catch?All eight of his hot classmates and their strict MILF teacher got dragged in with him.The other catch?They hate his guts.Worse still, this dungeon world is exactly like the game—every level a twisted, orgasm-fueled survival puzzle where failure means death by overstimulation, lust-monsters, or trap-triggered climaxes that literally drain your soul.He’s the only one who knows how to survive.They either listen to the virgin... or moan themselves to death.Bondage plants, lewd slime traps, fetish trials, and orgasm boss fights await—and the only way forward is obedience.What starts as reluctant cooperation turns into obsession, as each girl slowly falls for the boy they once mocked...…the virgin who’s now their dungeon master.

Lu Xingzhi's eighteenth birthday gift was a handsome and wealthy fiancé.From then on, she bid farewell to her life as a lonely orphan and transformed directly into a glamorous, wealthy beauty, stepping onto the pinnacle of life.She began a life of slapping down jerks, basking in the happiness of being cherished.“Uncle, do you like me?”Huo Jincheng: “I thought I made it clear enough.”Lu Xingzhi: “...”Seems like it's quite obvious.“Zhi Zhi, I'll give you everything you want, but you can't leave me.”Lu Xingzhi nodded vigorously. Her Uncle was rich and handsome, good to her, and she'd have to be crazy to leave him.She, the genius piano girl, dazzled on the international stage in the brightest light.He was the business emperor who could stir clouds and rain, giving all his tenderness to her.[Sweet Pampering]

In novels with a stud there is always a Senior Martial Brother like this:

In the early stages of the novel, his innate talent is high, his cultivation is good, his appearance is handsome, and he has an intelligent, cute younger Martial Sister as a fiancée.

In the middle stages of the novel, he is caught unprepared and defeated by a young disciple (the protagonist) in the sect who’s hardly remarkable at all. From then on, he falls from his godly altar and loses his brilliance. Even his young Martial Sister leaves him for someone else.

In the late stages of the novel, he continues to turn dark, going down the Demonic Path and becoming the major villainous boss. However, the protagonist still ruthlessly defeats him and his soul is eternally sealed.

Once Qin Mo opened his eyes, he discovered that he had become this Senior Martial Brother.

- Description from Novelupdates