MTL - The Legendary Mechanic (Transcendental Mechanic) - ~ Chapter 48 Advanced!

At twenty-four, Ashley Flynn had endured more than most. From the tragic loss of her parents to the lose of her marriage–and now, the mysterious abduction of her daughter. Just when she thought life couldn’t get any crueler, her ex-boyfriend resurfaced. Rich, powerful, and more relentless than ever, Lorenzo Grey was determined to win back Ashley’s heart, no matter how much she hated him. Or how long it took him.When she turned to him for help finding her missing daughter, he saw the perfect opportunity he had long awaited.“You mentioned that you wanted to help me find my daughter,” Ashley said, her voice trembling slightly.“Yes, I did...” Lorenzo replied, watching her like a hawk. “...but it won't come without a price.”Ashley hated him even more for trying to exploit her desperation–but he knew this was the only tool he had left to reclaim what was once his. And now, Ashley must do what she felt was necessary, even if it meant breaking her own defenses and craving the very man who once shattered her heart. Because to her, a mother’s love knows no limits—and no sacrifice was too great.

Having been reincarnated, Shen Changqing became a member of the Great Qin's Demon-Subduing Division during an era infested with Demon Evils and rampant Strange Monsters—After slaying a Ghostly Level Fiend, his Pure Yang Technique reached Perfection!After slaying a Resentment Level Monster, his Heavenly Martial Gang Qi reached Perfection!After slaying a powerful Demon Evil, he broke through his own limits!After slaying—Years later, Shen Changqing became the Defender of the Human Clan, and all sorts of Demon Evils and Strange Monsters bowed their heads in submission!“As long as I live, the Human Clan shall not perish!”

Yo, Hi! I’m Frank, I made a deal with a demon to pay me some money for receiving a guest for a few days every week.
I had no idea about what I have done.
On May 1st, Conan ‘the God of Death’ came to my house. I was forced to let him in and we get involved in a criminal case.
On May 8th, Bruce Wayne ‘Batman’ came to me. I was forced to follow him to fight crime.
On May 16th, Hannibal Lecter, The Silence of the Lambs, came to my home. I can only say that I really can’t stand my guests.

- Description from Novelupdates

A normal guy gets hit by a truck and isekai'd. Why? Because trucks are apparently some cosmic loophole. He decides to be a dungeon, because it sounds weird and interesting to be one. Is it? Let's find out.