The Misfit of Demon King Academy (WN) - Chapter 10.1

Li Xuehao found a secret of monasticism in the cover of the genealogy. After spending ten years, he finally succeeded in building the foundation. Unexpectedly, he was eager to get rid of the evil spirits. After his death, he was born again in Yokohama, Japan, and was attached to Sakura, Tsurumi. The story of the high school student Gao Zhonghao in the college, the story begins here…

- Description from Shubaow (Translated)

Raised on earth to be the ultimate playboy, Ryan finds himself traversing into another world, being the only male on the planet able to cultivate.

Men are used as little more than servants, but a select few are born with the power to be enhancers.

Enhancers seed has special properties that help cultivators rise in levels, but it looks like all the men on this planet have severe erectile dysfunction...

With Ryan's devilishly good looks and skills, will his previous experience being a one-pump chump be enough take the world by storm? Or will his end be as fast as he is and come to a finish prematurely?

I am a second year in high school belonging to the male only「Human Culture Research Club」.

A beautiful female transfer student, Mia Kurusu, joined the club.

Kurusu had a perfect appearance and character.

Of course all the guys in the club were charmed by Kurusu.

In some way or another they had become desperate trying to get close to her.

Due to a strange event, I stole a march on them to get closer to her.

After that, dazzlingly erot*c days awaited me.

Transcend to become the prince of Daxia, activate the Devil Emperor Summoning System, summon the powerhouses from other worlds, and fight for hegemony in the heavens!

If I were the Devil Emperor in the future, I would definitely let your blood stain the sky!

- Description from novelbuddy