Transmigrated Become Sukuna, but the host is Yukinoshita Yukino? - Chapter 33 - : Residual Filth.

A man was transported to Ancient China and eventually became a servant of a declining household without a male heir. He utilized his wits and modern knowledge to help the household and eventually become trapped in the sea of political turmoils of the period.

- Description from Novelupdates

Aiden Cross, A boy who was smarter than a kid his age. Born on the seemingly normal planet Earth. who finds his life very boring.100 years ago, World War III happened for unknown reasons. Resulting in 25% of the world population perished in this war.What was the reason for all the nation to fight for?Would he uncover the secret of the war? Or will he become a pawn of the powerful organizations?But one day Aiden’s life turned upside down in an accident. Aiden lost his mother, and Aiden himself was on the verge of dying. Then he awakened the system.[Ding][Compatible host detected][Initializing the Cosmic System][Connecting the cosmic system to the host's soul][Connection Completed]A system promises to make him stronger and help him revive his mother back to life. And inform him about the awakening of his world, which is no less than the apocalypse. With the help of the system, Aiden awakens Limit Grade Talent, but his talent is not complete and has a fatal side effect.[Talent: Celestial (unknown)] (incomplete)Aiden has to copy many talents to complete his talent. And travel to many different worlds.As he meets different races, a naive elven princess, prideful and lustful dragons, bored vampires, and a horny angel who offers herself to him“I offer you my body and soul; please accept me.” An angel with a flushed red face said

"Stay with me and I will give you everything your heart desires. For you, my darling, I would part the mountains, split the sea, and cause havoc on Earth just to have you."

Bai Xiao descended, lifting his head to not only see the bizarre and magnificent world but also the professional modifier he had downloaded before crossing over.“Drain all experience from my sub-occupations, 'Biological Mecha Master', 'Mystic Explorer', 'Special Hypnotist', transforming it into one million potential points, all enhancing my main occupation, 'Fighter'!”“I... have obtained the golden ultimate occupation, 'God of Martial Combat'!”The largest urban agglomeration in the world, a night of torrential rain.On the ground, countless Killing Ghosts and Fighters fought to the death, while hordes of metal Mechas and Biological Armors exploded and self-destructed. Blood and flame intertwined, plunging everything into primordial violence and chaos.Atop a high tower, Bai Xiao stood silently amidst the rainy darkness, like a stiff and terrifying statue. His crimson eyes looked down below, restrained yet bloody, cold yet hiding madness.He leaped down with his trench coat wildly dancing.The God of Martial Combat descended upon the final battleground!A cold voice echoed across the city skyline.“Next, I will kill everyone present! If you have the ability, try to stop me...”A modern city of extravagant luxury, an era of entertainment and consumption supreme.Beneath seventy years of peaceful façade, lied another mad and bloody Inner World.Fighters, masters of their martial traditions, and Killing Ghosts, controlled by combat modes, engaged in a frightful, relentless slaughter.Metal Mechas with terrifying energy and Biological Armors extracted from monstrous cells commenced a brutal struggle between old and new technologies.In this era infested with machinery and altered by external entities, to proclaim the power unique to humans might be an unimaginable romance...