Kamigoroshi no Eiyuu to Nanatsu no Seiyaku - Chapter 65 Such Days Without Fighting (1)

Luo Zheng is at the bottom of the Luo Clan hierarchy, despite his family being the founders of a power refining technique that could instantly defeat any opponent.

One night, enraged by unfair treatment from a family steward, Luo Zheng burns the family records. In doing so, the hidden magic in the book engulfs him and Luo Zheng becomes a new skilled fighter. Fleeing his home and despicable clan, Luo Zheng must learn to harness his powers to rescue his younger sister while his own cousins are on his pursuit.

- Description from Novelupdates

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.

“Had that night been quiet and windless… If she had never appeared in front of me…”

Whenever he recalled the past, Clyde felt endless regret. If he had known that being a Suzerain would be so troublesome, he would have never picked up that troublesome Bloodkin. In fact, he would never have even left that secluded Death Canyon.

“Big Brother Clyde, don’t be so dejected. You are now a well-known Suzerain, a hero of the entire continent, the Human Race’s Savior!”

“Lucifer, enough. I just want to return to my quiet life.” Clyde, an Evil God, had yearned for a quiet life, but by chance— or fate— he had met a young a mysterious Bloodkin Lolita named “Lucifer.” Under her guidance, Clyde embarked on his destiny, rising from the unknown as a nameless wanderer to become a Suzerain of a fief before taking the throne of the entire Ximengsi Continent.

There was just one problem: he who would be the torch of the human race wasn’t even from this dimension.

The people of Dafang village all say, the personality of the Lian family’s eldest daughter changed dramatically after her engagement was cancelled by her fiance’s family. She became extremely forceful and unreasonable. After hearing this, Lian Fangzhou secretly thought: Forceful? My parents are dead, my little brothers and sister are still young, with no one lending a helping hand, there are too many people looking to bully us showing up at my door! There’s still the most shameless pair of uncle and aunt eyeing our few acres of land, and even scheming to sell me off as a concubine! Treating my siblings as servants at their beck and call! If I was not forceful, how would we be able to live in peace? Don’t tell me that I should act like the previous Lian Fangzhou and die from extreme anger? In order to quell this bunch of demons, break out a wide path to walk on, angelic faces are useless, only the tricks used by malevolent spirits are the way to go!

- Description from Novelupdates