This is really not mechanical ascension - Chapter 198 - 114 I Refuse to Believe We Can’t Find a Single Clue!

For the large sum of money to help her husband, she chose to be a surrogate mother covertly. Her sweetheart was out of trouble, but she became the woman of loose morals in his eyes. Misunderstanding, disappointment and sadness forced her to divorce the man she loved from the childhood.

When she was determined to start new life, another man burst into her life. “You are my baby’s mommy and you are my wife!” A big surprise hit her that her baby’s Daddy, the man she surrogated for, fell in love with her at his first sight.

His deep love convinced her to believe the affection of love again. Unexpectedly, her ex-husband returned to beg her recombination. One was her childhood sweetheart, and the other was the man who loved her and gave her hope for a new life……Facing the two men, what is her choice?
 

- Description from Novelupdates

Dumped by his girlfriend for being broke, killed in an accident by a truck, only to get transmigrated into a fantasy world as Lucien Goldveil, noble heir of a rich nobility in the kingdom of Edoria.He should be content since he was now filthy rich, but he couldn't, as this world was a world of magic where money without power was only a curse.What he would face next would only be endless conflict and the hounds looking at his wealth with those hungry gazes.---Ding[Debt Collector System has been successfully bound.][Detected failure to collect debt from target: Alchemist Devan.][Automatically extracting compensation of equivalent value…][Congratulations! You gained: Minor Mana Sensitivity (Passive), +1 Intelligence.]---Fortunately, his system came on time, giving him that glimmer of hope. Now, it all depends on his ability to exchange his vast wealth for power by playing his cards right.With the kingdom teetering on the brink of war and the Godveil family surrounded by hungry wolves, Lucien had no choice but to grow stronger and fast.Not to mention finding those behind the shadows hellbent on killing him, or those trying to kidnap him for his wealth. Wealth without power was a curse, and it was on Lucien to change it into a blessing instead.And those dungeons… Wait a minute—why the heck does this world have so many dungeons?

Ace had always harbored feelings for his childhood friend, only to have his heart shattered when he learned she was secretly in love with Duke. The betrayal left him disheartened, but nothing could have prepared him for what came next.That night, instead of waking up to another ordinary day, he opened his eyes in a completely different world—inside another man's body. Worse still, the first thing he heard upon waking was yet another rejection.Thrown into an unfamiliar land with a past he doesn't remember and a future he never planned for, Ace faces a choice: chase after love once more or embrace a new passion—one that comes in the form of an unexpected farming system. As he cultivates spirit crops and reaps rewards beyond imagination, he begins to wonder: perhaps love isn't found in a person, but in the soil, the growth, and the endless possibilities of the land.Will Ace sow the seeds of a new destiny, or will the echoes of rejection root him in the past?

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.