Vampire Cultivation System in a Hidden World of Monsters - Chapter 19: Vi Condensation Stage (3)

A genius inventor dies and awakens in his younger self's body... but not quite. This isn't his original younger self-it's an alternate version from a reality where the supernatural is real.To make matters even more chaotic, he discovers that someone has decided he is the successor to Solomon. Now, he possesses the power to enslave devils. Armed with his intellect and newfound abilities, it's time to spark a worldwide revolution... starting from his garage!---Tags: Neutral-Evil MC (enslavement, selfish MC), Harem (of course), Inventions, Technological Progress, Sacred Gear Creation, AU DxD Universe (part of Dragon's Omniverse).This fanfic is a STEAMROLLER, with the main focus on the MC's development and his technological innovations, as well as their impact on the world. If you're looking for drama, suspense, or epic battles with no real purpose, this isn't the story for you.

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!

Alan, a young science teacher, finds himself and millions of other, forced by alien invaders to participate in absurd VR “Apocalypse Games.”

Desperate to save his sick daughter, he took the path of gun and sword, embarking on a journey to become one of the top players in this deadly virtual world.

All were forced to survive a series of different apocalypse scenarios: Ice age, Nuclear Fallout, AI Meltdown, Apex predators, etc. all for one promise:

[Defeat all rounds and we will leave your world in peace]

Every year, with less than 10% managed to survive, the whole world would watch the games in terror as their loved ones suffered and died.

After seven grueling years, Alan and his team become the last hope for humanity. But even their valiant efforts end in defeat. Alan loses everything—his comrades, his daughter, and the hope of mankind.

Given a second chance, equip with the knowledge of the game's secrets and the future, will this simple science teacher succeed in saving the world?

……………………………………………………………

Dear readers! Without any ads, maybe you will prefer .

I saved the Warrior who used to ignore and bully me and now she is obsessed with me.