World Development System - Chapter 37

In a world where dungeons were an essential part of it, Rein was trying to conquer as many as possible. They were the key to gain powers in the fastest possible way. So, to reach his full potential and to become the strongest, he became a great dungeon conqueror.With his trusty friends and lovers, he was definitely going to reach the peak alongside everyone. Join Rein and see how he went from strong to stronger and then the strongest.__________________1. The harem would not be too large(I'm not sure how many but probably just 4-5 main and few other here and there). All the girls would be getting their time and story.2. The story is starting when the MC is in the middle of his growth stage and not at the very beginning. But his beginning will be mentioned in the story in some form.3. I don't think I need to mention this, but obviously it will not have any NTR, rape or that kind of stuff. It is actually quite a wholesome story focusing mainly on adventure, action and bit of romance and slice of life.

This is the story of the youth Wen Leyang, born into the family with an expertise in the cultivation of the Art of Poison.

Growing up in the slums, deprived of freedom, being enslaved by his parents and thugs, all Lucifer wanted was a life of freedom, a life that he could do whaver he wanted, not being ordered by anyone.And then luck came to Lucifer when he awakened the system, and even luckier was that he was able to raise his Destiny Rank to Unpredictable.But in return...he was turned into Freedom's Most Loyal Slave

What would you do if you reincarnated into a doomed novel?Would you rely on a system to get stronger?Steal the protagonist’s opportunities?Kill your future enemies before they even rise?I had none of those options. I only read the free chapters.No cheats. No system. No future knowledge.But that doesn’t mean I’ll wait for death.If the world won’t give me a way to win—I’ll just carve one with my own hands.* * * * *Note: R18 isn't for detailed sexual content, but for dark theme, gore and all.