Became a Failed Experimental Subject - Chapter 66: It’s a Bug

A 30-year-old NEET is reincarnated into the body of an otaku that choked to death on instant noodles. As he comes to grips with his new life, he realizes that this world is subtly different from Earth. The denizens of this world are far better looking, and this new world also possesses futuristic technology as well as mysterious Yin Yang masters!

[Initializing Harem System of the Demonic Dragon God]“Damn! I was right!”He received the greatest gift of all, a System!A world of cultivation, where the strongest rule! The man took the place of Strax Vorah, a noble abandoned by his family that worships the Sword.With an insane desire to become the strongest of all, he now wants to have the most powerful wives!________________Additional tags: Fantasy - Adventure - Action - Romance - Harem - R18 - No NTR - No Yuri - Weak to Strong - Bloodlines - Evolution

The Mc reincarnates in a world of magic and adventure as a Leech, follow his adventure in this mysterious and exciting world as he goes from the weakest creature to the shadow being that everyone is afraid of. Will he pursue the path of strength alone? Or without realizing it he will become the king of the greatest empire that ever lived.

After transmigrating to a world similar to Earth, Jiang Qiao was approached by a former goddess—Ocean Blue. As Bluestar is also on the verge of collapse from invaders of other worlds, Jiang Qiao must find a way to save this one. With the ability to create a virtual game world, he creates the world of Sacred Souls. In order for this new world to grow, it has to devour other worlds. Thus, the greediest, most cunning, and horrible beings came into existence—Players.