The Tale Of Kitsuna - Chapter 81

Everything was wrong in Dante's life, so in one last breath, he faded away, thinking he could finally rest in peace. However, fate played him another hand, changing his course and reincarnating him into a completely new world, born again as an orphan. He was soon adopted by the Strongest Vampire in the World, Valentina Scarlet.Amidst the dawn of the New Era, prophesied as “Age of the Stars,” where incredible beings with power will dominate everything within their reach, Dante finds himself immersed in an era akin to a frenetic flame of madness that will ignite the hearts of youth to the far reaches of the stars. Now, Dante only wants to become the strongest of them all to protect his beloved wives whom he will encounter along his bloody path.The Demon King of Devastation will shake the world completely, and the world will tremble. Lastly, if you truly enjoy the story, I invite you to leave your comments, criticisms, and stones of power! I need your support to rise higher every day!

He Lang died by his own hands for the sake of his imperial younger brother’s ambition, whom he loved. He was offered to be reborn in exchange for giving up his past romantic feelings. Reborn without the burden of his romantic feelings, he brings with him a manual to new worlds. He wholeheartedly followed the instructions of the manual to complete the tasks, not knowing that the originally slag gong was blackening…
He pleaded to his affectionate Emperor brother to release him, he pleaded to the paranoid prisoner next door, but until the end he remained baffled.
In the end, he discovered that the full name of the manual was – “Slag Shou Cultivating Manual”
Σ (っ ° ° °;) っ!

- Description from Novelupdates

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.

The world is big, but I am the only one who is orthodox.Sweeping the world's immortal sects with the power of the Celestial Dynasty.A strong man who practiced the 'Way of the Emperor' came to a world full of immortal sects, and a secular dynasty that was despised by the practitioners gradually came to be on an equal footing with all the top immortal sects.The law of the dynasty is that everything in the world is the king's land, and the shores of the land are the king's ministers! There is only one orthodoxy in the world, and all immortal sects are illegal organizations!