From Reader to Ruler: The Forgotten Prince's Rise through Harem - Chapter 4: The Birth of Magic and The First Heroine

An ultimate warrior, the one and only Alchemy Emperor, Ling Han, died in his quest to achieve godhood. Ten thousands years later, he, with the ‘Invincible Heaven Scroll’, was reborn in the body of a young man with the same name. From then on, winds and clouds moved as he set himself against the uncountable geniuses of this new era. His path of becoming a legend has begun once more. Of all eras underneath the heavens, I am the strongest!

- Description from Novelupdates

There’s a legendary Bishoujo Game that has become popular among Japanese gentlemen.

Riding a flying sword, drinking wine while holding beauties, fighting against a generation of geniuses for opportunities, Who doesn't like such an Immortal World?But not if you are a mortal who got thrown amidst high level cultivators. And Long Ming felt precisely that.

With less than a year left before the night of genocide, Uchiha Habara decided to run away.

As a result, he never expected to activate the system that had not been activated for fifteen years, and was kidnapped by the Uchiha clan.

Fortunately, the system is not without rewards, and the stronger Uchiha is, the richer his rewards will be.

So what he can do now is to make Uchiha great again!

- Description from novelbuddy