Ghost in the City: Cyberpunk Gamer SI - Chapter 8

Gawain is dead and was transmigrated, but there was a slight problem during the process.
After floating for more than a hundred thousand years on a different continent, he felt that he might need a body to become a complete transmigrator, but he did not expect that…

- Description from Novelupdates

Have you ever thought a monster that has a job of a summoner and a tamer

what should it call itself Monster Summoner? Monster Tamer? but he itself was a monster too

Watch as our mc travels the world as an reincarnated human who turn into a monster

“Do you think sleeping with you once isn't enough after what you did to make me famous? Would you do it a second time?”Li Qingshen remained silent.Ling Momo pouted before biting her finger. “Ten times?” She asked.Li Qingshen still remained silent.Ling Momo tugged at her own hair. She clenched her jaw. “Twenty times?”Li Qingshen turned around to leave.Ling Momo was frantic. She stomped her feet. “Is twenty times still too little? You can't possibly want a hundred times.”Li Qingshen smiled. “That'll do...”

This novel is also known as Endless Bloodstone / Infinite Bloodcore

In the dark night there is no light, save for the sound of war drums and rally cries. The young man listens carefully, it is his heartbeat and the flow of his own blood.

What hides in the darkness ahead? Is it man, god or… a monster?

There is no such thing as the best road. However, the journey beneath one’s feet is unbounded!

- Description from Novelupdates