The Last Incubus with The Vice and Valor System - Chapter 180 say

With the unexpectedly obtained unknown civilization technology, bionic robots, artificial intelligence, quantum mechanical transmission, supercomputers, plasma thrusters, nuclear fusion, these black technologies are constantly being manufactured in Wang Xiao’s hands.

Knowledge is power. With the help of unknown civilization technology, Wang Xiao, who has acquired this knowledge and black technology, has tickets to a better future and a sea of stars.

- Description from Qidian

Kazir Grey returned to 1994 and decided to pursue his dreams of making movies. With his knowledge, he would take the path of becoming the best director of Hollywood.

Rae, a perverted thief with bad luck and worse life choices, was caught peeping on a couple getting busy. Naturally, he got his ass kicked—and his life ended.Or so he thought.Just before his untimely demise, Rae had one last wish: to live like a king, surrounded by voluptuous women with big booties and even bigger breasts.Turns out, death wasn’t the end. It was just the beginning. Rae woke up in a fantasy world, and not just any world, but one where he was gifted a special system. A system... with some unusual tastes.[Ding!][Quest: Drink breast milk from the source.][Litres: 0/10][Reward: Race Change from Goblin to a race of your choosing.]“Wait—what? I’m a goblin now?!”

This is a story about Gong Lixin who was the young master of an ancient underground palace in the ancient times. He was raised by his master and forced to partake sexual relationships with numerous people to cultivate his Yin Body. His master who has a Yang Body was going to absorb him after he has reach a level to become stronger. MC refused and killed his master also dying at the same time. Then he transmigrated to the modern time and thinking he will enjoy peaceful life, the end of the world arrived.