Isekai Maou to Shoukan Shoujo no Dorei Majutsu - Volume 10 Chapter 4 part1-2

It’s a story about a man who got transported into a novel and possessed a slum boy. He met a noble girl and served her as a butler for 13 Years. Now the girl has already fallen from her noble life and lives in an abandoned mansion with paralyzed legs. Why did she become like that? Of course because she is the villainess in the novel.

What kind of experience is it to be a true spiritual genius, transmigrating to become the ‘king’ of the Immortal Demon Great Qin?

Qualification is supreme, and any technique can be mastered quickly. The so-called barrier of practice cannot hinder his breakthrough at all!

Or add luck and become the real master of the plane.

Is it to gather the copper of Kyushu, cast twelve bronze figures, hold the souls of millions of Qin warriors, swept across Liuhe, and conquered the world, or the three worlds of warriors?

Rare birds and beasts, a world where demons are rampant, a combination of local myths and legends.

PS: It is not a hegemony text of the war system, the first choice for the extreme genius stream

- Description from novelbuddy

The Dayan Empire had enjoyed a reign of over thirteen hundred years.The Emperor was critically ill, the Crown Prince was regent, local immortal sects were entrenched, and central authorities were vying for power in the chaotic court.Upon waking,Xu Yuan saw a dilapidated temple in the mountain rain at night,saw the eerie, broken-armed stone Buddha,and,the mysterious woman by the fire, her face veiled by thin gauze.......He had become the ultimate villain's third son, of pure heritage and legitimate lineage.The fake villain, dressed in fine garments and enjoying luxurious feasts, simply waited to be humiliated, while the real villain was caught by the Big Ice Lump and dragged across the world in flight from the start.Golden finger?Only a fake villain relied on a golden finger to get rich, a true villain dared to confront a bleak life!“If Heaven had not birthed me, Xu Changtian, villains would be as eternal as the never-ending night.”“........”

Yang Yi was orphaned as a child. Foul play was ruled out by the authorities, but Yang Yi always suspected otherwise. Finally, once he was older, he met one of his father’s old friends who revealed the truth about his parents’ deaths. His father was an intelligence broker and had stumbled upon a mysterious, powerful independent spy organization. Both his parents’ were murdered to ensure the organization remained a secret.

Since he was unable to forget why they died, due to his eidetic memory, the only way he could be at ease was to seek revenge. In order to fight against the mysterious organization, he would first have to train in the art of espionage. However, not even one of the national spy agencies was willing to accept Yang Yi into their ranks due to his father’s sensitive identity.

Left to forge his own path into the field, he seeks out his father’s old allies for help. He learns how to be a spy in unexpected places while gathering the resources and allies necessary to form his own private spy organization.

Follow Yang Yi in his quest for vengeance! Follow Yang Yi as he prepares for A War Between Spies!

- Description from Novelupdates