Regressor Instruction Manual - Chapter 13: Embarrassment (1)

A boy from 21st century Earth, met an accident and later was reborn in Naruto’s Ninja World.
He is born in Uchiha Family and becomes the useless brother of Itachi Uchiha and Sasuke Uchiha…. Let’s see how he changed the Naruto world.

- Description from Novelupdates

One night she gets drunk and mistakes the most well-known Mafia boss for a Host* and intends to sleep with him.

In 2076, technology did not bring a better life to people, but instead became a tool used by the rulers to exploit.Arthur traveled to such a cyberpunk world and accidentally obtained the check-in system.You can get a variety of technological knowledge just by signing in.Before he could do anything, he unexpectedly discovered that the original owner was already married and even had an older son.Arthur: “The freedom of marriage is sacred and inviolable. That's not my wife.”Why are you saying that my wife is Gloria and I have an older son named David?Arthur: “How can a human being abandon his family and his son? Just go with peace of mind as the original owner. After your death, your wife will be taken care of by me, so don't worry about it.”

“Let the world burn… if that’s what it takes to keep them from stealing what’s mine.”William Knox, once hailed as the brightest inventor of the century, dies with his heart corroded by betrayal. His daughter and closest friend stripped him of everything—his legacy, his empire, his future. But death wasn’t the end… it was only the beginning.He awakens in a strange world, ruled not by science, but by magic. His body is no longer his own. His soul is bound by a dark contract, and his mind is still tethered to his past—thanks to a newborn AI and the last working prototype of his neural implant.“Will you make a contract with me?”Guided by the cold logic of his most innocent creation and the limitless power of arcane forces, William must survive among arcane kingdoms, ancient beings, and buried secrets that defy reality.To succeed, he’ll need to master this new world’s magical laws, manipulate those who inhabit it, and uncover why he was brought here… and by whom.Vengeance forged his soul.Magic will shape his destiny.And the truth… will destroy the world.A story of magic, vengeance, and the birth of a new god of nightmares begins here...----------------------Warning:-------------------------------Explicit sex scenes starting from chapter 19, in any case this story is not focused on R18 it is just an explicit series.