The Evolution of Genius: Every Night, I Get Smarter! - Chapter 33: Come In

The world that nurtured the civilization which reached the pinnacle of magic was on the verge of destruction.
The last survivor transmigrated to the past, when the magic civilization started growing, as countless mages were still fumbling their ways through the thorny paths of magic knowledge.
He, who came from the end of the magic era, aim to reach the pinnacle of magic.

- Description from Novelupdates

An anime otaku who has traveled to the world of full-time hunters, in order to live well, he can only keep getting stronger all the time, burying the strong one after another. Your withered life will be continued by me.

- Description from novelbuddy

When he first crossed over, Chen Liguo did not want to accept it.

But he quickly discovered, after he crossed, he found that all the men he met had perfect figures and eight-packs. Furthermore, these men liked him.

As a gay man, Chen Liguo was so excited he shed tears of joy.

However, the world obviously wouldn’t have such good things.

Because, just as he was drooling and about to pounce, a system appeared and told him: Buddy, sorry to let you down, but you can’t be with these people.

Chen Liguo: What if I insist?

System: Hehe

……

Chen Liguo: You trash system! Destroying my youth! Ruining my s*x life!

- Description from novelupdates

A high-ranking officer in the Marines and a master of both Western and Chinese medicine, Feng Yu Heng is transmigrated with a duang sound to the Da Shun Dynasty.