System Change - Chapter 170: Potion of Physical Permanence

Revenge is merely a method of passing time for someone like Lee who has lived several lifetimes, but the desire to acquire superhuman, godlike powers becomes an obsession that pushes him beyond limits. It’s a struggle to grow up in the world ruled by masters who bend elements to their will, with little hope of learning their cultivation secrets, but they are still there for taking for those with wit, persistence and the ability to take risks.Join Lee on his adventurous journey where every challenge, setback and achievement brings him closer to divinity!

Yo, Hi! I’m Frank, I made a deal with a demon to pay me some money for receiving a guest for a few days every week.
I had no idea about what I have done.
On May 1st, Conan ‘the God of Death’ came to my house. I was forced to let him in and we get involved in a criminal case.
On May 8th, Bruce Wayne ‘Batman’ came to me. I was forced to follow him to fight crime.
On May 16th, Hannibal Lecter, The Silence of the Lambs, came to my home. I can only say that I really can’t stand my guests.

- Description from Novelupdates

“Helena if I could be with you every moment of every day, fuck, I’d take that,” Romeo growled as he kissed her neck, sucking and licking along the way as well.“We’ve already lost nine years, Helena, I’m not wasting a moment more,” Romeo hissed as his lips crashed against Helena’s.She let out a moan as Romeo lifted her leg, wrapping it around his waist.“Feel that, love?” Romeo asked as he pushed his cock against her. “Feel what you do to me?”Nine years ago Helena Willow ran and on her first day back she meets an Alpha whom she connected with on a different level. An Alpha that could be her Mate.When she left her pack she left her family and the love of her life, her stepbrother Romeo Blackmoon.What happens when she discovers that the Alpha she's slept with was her stepbrother and that he could be her mate?

This is a world where humans, demons and mysterious beasts coexist.

Humans cultivate mysterious qi. Demons cultivate corporeal bodies. Mysterious beasts cultivate soul perception.

A legend says that in the middle of an endless rainforest, there are extremely powerful existences; they are called demon kings.

Some demon kings have a tyrannical corporeal body, some are experts in illusions.
Some demon kings are proficient in magic, some can even move mountains.
Some demon kings are able to sense things thousands of miles away.

These demon kings rarely appear in the human world. Even if they emerge in the human world, they would reincarnate in human form; assimilating with mankind while seeking to breakthrough realms…

- Description from Novelupdates