The Genius Mage - Chapter 16

One week before the destruction of the earth, Xiao Yu fused his soul with the main computer of an interstellar spacecraft, and fled before the destruction of the earth.

After the integration with the computer, Xiao Yu possessed the powerful computing power of the computer, but also possessed powerful innovation and exploration capabilities as a human being. As a result, the humble interstellar spacecraft in which Xiao Yu lived began to continuously evolve from a chemical engine to a nuclear power engine, and from a nuclear power engine to a positive and negative material annihilation engine. The volume and mass also began to increase. Big.

With the continuous development of science and technology, Xiao Yu also began to try to build a true interstellar super fleet that integrates attack, defense, exploration, landing, and acquisition …

- Description from Uukanshu

To get some money Leo started playing a popular VRMMORPG, [ FRAGMENTAL ]. Unfortunately he had no talent for the game.

Desperate for Money Leo did everything from

joining an oppressive guild to signing a slave contract making him become an corporate slave

But Life gave him a second chance...

Returning in time and armed with knowledge he gained during his years working as an informant, Leo shall reach the top

Roy’s life was nothing special. The only thing commendable was the last few moments when he saved a mother and her child from a drunk driver.
…
It’s really an egg! Damn it, what kind of monster have I become? Did I fall into Hell instead of making it to Heaven??
Join Roy as he ventures through various worlds with the Custom Made Demon King System—a system that allows Roy to draw anything he can imagine and create it through exchanging souls!

The strongest Hero in history, Nakamoto Keisuke.

He was summoned to another world in the spring at the age of fifteen years old, and when he successfully defeated The Demon King, he was already thirty-two years old. He had finished his role in another world and returned to Japan, but the reality that had been waiting for him was, “Middle school graduate with seventeen years of blank period” label. He couldn’t find a decent job and had no choice but to spend his days working part-time.

Before such a Nakamoto, a beautiful girl who self-proclaimed had come to return the favor, appeared. “I’m the reward for Hero who had defeated Demon King”, said Angelica, a girl who came from another world that persistently tempted Nakamoto to make her his wife. Together with a high school girl who looks like Elsa, his beloved girl that he lost in another world, Nakamoto with his cheats skills got caught in a harem life.