MTL - Rubik’s Cube Heavens - v7 Chapter 447 experiment

I have calculated for people before I was born, and I have all five yin, and I am born with fierce ghosts. A knowledgeable gentleman said that I will not live to be seven years old. After death, I will cultivate blood-clothed little ghosts to harm people.

In order to save me, my grandmother married me a child-in-law, so that I had an Ann birthday, although I later discovered that the daughter-in-law and sister-in-law are not human…

I have been lingering and panting since I was a child, and I have been accustomed to accepting it, but my grandmother was killed.

For this reason, regardless of karma, I inherited my grandmother’s job of raising ghosts and vowed to send everyone who killed her to hell.

- Description from MTL

In a modern world where cultivators need a place to cultivate or vent their boredom, there are private businesses that set up instance dungeons with the aid of technology and cultivation magic to enable cultivators to train and commoners to experience the life of cultivation. They are called dungeon suppliers.
Xie Jin's one and only dream was to be a dungeon supplier and when his only relative passed away, the relative's inheritance gave him a plot of land and surprisingly, a 'System' Module which the relative had previously used.
With the help of the system, Xie Jin decided to pursue his dream of becoming the number one dungeon supplier.

After years of exhausting work as an editor, constantly meeting impossible deadlines and dealing with frustrating clients, he finally reached the finish line—his long-awaited vacation. No more emails, no more last-minute revisions, just pure, uninterrupted laziness.His perfect plan? Lock himself inside his house, watch his favorite shows, playing video games, sleep to his heart’s content, and embrace a life of pure relaxation.But just as he was about to enjoy the bliss of doing absolutely nothing… he woke up somewhere else.Not just anywhere—but in another world, inside the body of a young noble boy. And not just any noble boy—the second son of a Marquis, notorious for his laziness and bad reputation.Great. Just great.Yet, instead of questioning the absurdity of his situation, he did what he did best—ignored everything and went back to sleep.Unfortunately, the world refused to let him be.---[System installed...][Congratulations, Host! You have been chosen as the new candidate of this world.][Please complete the following task to finish the quest and receive a reward.][Warning: Failure to complete the quest within the time limit will result in consequences.][...][...][...Host?][Didn’t you hear what I said?][WAKE UP!]Zzzzz…And so, his peaceful days were over before they even began.Now, with an annoying system breathing down his neck, a family that already expects nothing from him, and a world filled with power struggles and danger, all he wants is to laze around.But will the world really let him?

As a walk-on, he had been the mistress of his sugar daddy for three year. However, they only had met each other for a few times.
As a boss, his sugar daddy had tons of lovers.
The walk-on: The cake shop is the only thing I love in this world. Lovers? Never want one.
The boss: No problem. Nobody wants that.
Then, they fell in love with each other…
Shameless playboy x heartless rogue
1v1, this is not a decent love novel.

- Description from Novelupdates