Hogwarts: The Mafia Lord of Slytherin - Chapter 626: [] The Final Fragment

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

In his old life, he was an assassin, invisible, efficient, and utterly alone.His only escape came from the pages of a fantasy novel, Crown of Thorns, and the character no one else seemed to understand: Lady Evelina D’Arclight, the proud and brilliant villainess fated to lose everything.After his death, he wakes up inside that very story, not as a hero, but as Cael Arden, a student at Eryndor Royal Academy. The world is just as he remembers it, right down to the woman destined to fall.But this time, he’s not a bystander.With a lifetime of deadly skills and the knowledge of what’s to come, Cael sets out to rewrite the story itself, to protect Evelina, rise through the academy’s ruthless hierarchy, and change a fate written in stone.As alliances form and secrets surface, the line between fiction and reality starts to blur.And in a world built on power and prophecy, he’ll prove that even a villainess deserves her happy ending.

When Feng Qing was born, she was sold to a couple from the mountains due to the hospital’s negligence .

Within the virtual world of “Avalon Online”, Finn, or otherwise known as “Echo” within the game, was one of its greatest players. After logging off from a long session, however, he notices something awry outside of his apartment.The streets were flooded with chaos, screams echo through the night, and hell is loot loose. Monsters from Avalon Online are running through the streets, wrecking havoc. In the midst of this hellish awakening, Finn is greeted with the one gift bestowed to humanity in this dark hour:[...Assessing life experience…][Assessment Complete][Name: Finn Thorne][Age: 20][Designated Class: Assassin][Starting Level: 5][A [Legacy System] has been bestowed to you for your accomplishments within Avalon.][Assimilation System Awakened.]In this twisted turn, as the world as it was once known is gone with the arrival of magic and monsters, the remnants of humanity must level up if they wish to survive.Finn is left in this dark, hopeless apocalypse, using his own experience from Avalon Online to best survive what seems to be an impossible task.