MTL - My Sword Intent Can Be Infinitely Improved - ~ explanation and follow up

Payload specialist, Tang Yue, who is a mechanical and electrical engineer by training, is left stranded on Mars when he receives news from his AI robot assistant, Old Cat, that Earth has exploded. He believes himself to be the last human in the Universe.

In the middle of the night, looking at the woman in his embrace, he smiled devilishly, “With your discontentment, do you want me to continue?”

This is the story of how I became the greatest genius in the history of humanity, destined to go down in the annals of history for all eternity!This is the story of how I made humanity what it is today.It all began on a fateful night in New York. With a certain peculiar dream.The Universe is grand and mysterious. What's important remains hidden...

Rolan died in heart attack after reading his favorite novel nonstop for days without sleeping or eating. Reincarnating in the Fantasy world after passing. Into a stone? No! Sword? No! As a slime? No! But a Mimic!With him reincarnating, he shapeshifted into human after copying monsters and absorbing the mana of Demon King.He found a village and used his skill Evolution and evolved them all. Also found and rescued tribes that has a class that Rolan Evolved too.Making him a Lord by them as the Demon Empire and Holy Empired deemed their existences as a threat. Now, the tales of a village into a Kingdom begins! A Kingdom-Building story unfolds!