The Labyrinth of the Monsters - Chapter 18 – The sparrow is behind

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?

Another entry in what you can call the Proto Harem Series: the books written before the Harem Series that take place in the same world.

It’s about a swordswoman whose student is captured, so she goes to rescue her.

“Look, boss, that red dragon lacks dragon's might, and it doesn't even know how to breathe fire. Let's take it down and make a fortune,” said one of the adventurers.At that moment, the lethargic red dragon opened its eyes, looked at the adventurers appearing before it, drew a forty-meter sword, and deployed techniques such as Sword Mastery, Samadhi True Fire, Eighty Nine Mystical Powers, and Law Heaven and Earth...The world became quiet again, and the red dragon rolled over and continued its nap.This is the story of a red dragon who, after years as an overworked employee, finds himself reincarnated in another world.Devoid of the intrinsic knowledge and natural abilities of dragons, it wields other formidable skills.