MTL - You Call This the Black Man Behind the Scenes? - Chapter 297 you ask Juliana first

Reincarnated as the emperor of the dynasty, Zhou Xuanji, he thought he would be rich and noble for a lifetime, but he was forced to flee the palace due to the grievances of the palace.

What surprised him was that a cheat program invented in his previous life turned out to be a reality!

At the age of two, he obtained the Red Dragon Sword, which contains the soul of the Red Dragon!

At the age of three, he obtained the second Divine Sword!

Every year you grow, there is an extra sword!

A hundred years later, Zhou Xuanji took hundreds of divine swords across the world!

Ten thousand years later, Zhou Xuanji stunned the heavens, Wan Jian volleyed into the sky, and ascended the throne of myth in the name of Sword Emperor!

- Description from novelbuddy

[Scanning completed][Host detected. System activated]“What's going on?”[Host, I am the system. I will help You Build Your Empire. You have arrived in a world called Proxima Center. It is 10 times bigger than your planet]In This story, we follow the life of Alberto, a World War II veteran who was killed in action during the war.But God decided to give him another life. He sends him to a fantasy world. This fantasy realm is ten times the size of Earth, teeming with legendary creatures and vast nations that rival even the might of the Mongol Empire. Where our main character will build his country entirely from scratch using the system given by God. A powerful system that is capable of making him a powerful beingSo let's enjoy our main character's journey together.Join Alberto on his epic journey as he transforms from a soldier into a sovereign, building alliances, facing formidable foes, and perhaps even discovering love amidst the chaos.

The world is terrorized by the powerful Black Witch who has been sealed in the moon. Every ten years, the night of Hexennacht arrives and a chosen witch must battle the Black Witch in hopes of finally defeating her.

As the current decade’s Hexennacht approaches, a mysterious girl named Kagami Kagami arrives and meets Horinouchi Mitsuru, the daughter of the previous Hexennacht representative.

It takes place between Kyoukai Senjou no Horizon and the City Series, two other series by the author.

An otaku with a hobby of masturbating was reincarnated as the son of a great mage.

As soon as he was born in this life, he vowed with a goal of embracing women till his death.

That said, when he became 20 years old, the Demon Lord which was sealed by his ancestors revived, and now it is his role to seal it once again.

And that demon lord is sealed in a tower dungeon that is rumored to be impossible to capture.

However, by an unexpected coincidence, he had found out that the Demon Lord is also one of him, a kindred spirit from within,

so he joined her instead and filled several traps in the tower dungeon, and thus they enjoyed a s*x spree with all the women coming over!