My Beasts Grind Proficiency For Me - Chapter 1: Marketplace

“Yin Fu Jing” has a saying: It is also a stealth machine, and no one in the world can see it or know it.

Xu Hong travels through another world and finds that there is an extra volume of “Longevity Picture” in his mind.

Relying on this, not only can you monitor your own and other people’s lives in real time, but you can also steal secrets to convert abilities and lifespans.

The picture of longevity, the picture of longevity.

Therefore, Xu Hong set a small goal…to live 100 million years.

- Description from novelbuddy

It was a time where demons roamed the earth and chaos reigned. The story took place in Luoyang, the legendary capital of the times. During the night, one could find people holding on to their food with dear lives as they faced off against stray dogs, people with weapons in hand vowing to fight against Fate to their very last breath. There was bloodshed everywhere as some died meaningless deaths, while the strong tyrannized the weak and the truth was frequently hidden. Some of the citizens had completely lost their mind, while some died on their travels. Most importantly, the words of a certain youth caused much panic in the human world. It was a time of little warmth as nights in the capital were frequently accompanied by gusts of wind and rain, and it would be covered with snow during winter. Such were the days…

- Description from Novelupdates

Protagonist travels between different anime worlds to right wrongs and uncover his reason for being along the way.

An 18-year-old poor college student tried to apply for a job as a tutor but his life almost ended as demons' meal. In his last breath, a mysterious woman gave him a strange power. When he opened his eyes he had turned into a demon with a system that would turn him into… A pervert.

Now he must lived with his dual identity as a model student named Ethan and an incubus named Damian.