Marvel: I'm a Symbiote - Symbiote 0215: New Dynamic

Fang Ping finally settled an issue after wasting half an hour of his life. He wasn’t dreaming nor acting —for God’s sake, if acting in a movie could restore his youth, then the film crew deserved a trip to heaven immediately!

Roy’s life was nothing special. The only thing commendable was the last few moments when he saved a mother and her child from a drunk driver.
…
It’s really an egg! Damn it, what kind of monster have I become? Did I fall into Hell instead of making it to Heaven??
Join Roy as he ventures through various worlds with the Custom Made Demon King System—a system that allows Roy to draw anything he can imagine and create it through exchanging souls!

Li Yi once lived the dream of every pro gamer. He was at the top of his game with the best equipment, the highest stats, and everything a gamer could ever hope for. However, he soon realized that none of his ill-gotten gains for his to keep when he was branded Public Enemy Number One and killed in the biggest battle of the ages.

Now, he has the chance to turn back the clock and return to a time before his first mistake put him on the path of no return. This time, Li Yi will make different choices. With that, comes many interesting encounters — like saving a woman in distress then making love to her seven times in a row while her child slept in the next room. However, will he get back to what truly matters?

One thing is for sure, with the memories retained from his past, he will become King of this game.

- Description from Novelupdates

[Harem + Light System + Mystery + Eerie world]After being transported to an unknown realm, Huang Ye unexpectedly obtained a martial arts manual—the Jade Maiden Heart Sutra, a technique meant for women.With no other choice, he followed the concept of opposing yin and yang, practicing the technique in reverse.By accident, he mastered a form of Dual Cultivation. From then on…