Classroom of the Elite (LN) - Vol 17 Chapter 4.02: Chapter 4 Intro Part 2

A good-for-nothing man married a beautiful girl but was kicked off the bed on the wedding night. Furiously, he wrote a bill of divorce and ran away.
He was schemed a car accident in which he nearly lost his life. However, it turned out to be a blessing. He swallowed the soul that passed through the outer world, thus obtained superb medical skills and martial arts.
Later on, with the silver needles and invincible martial arts, he embarked on the road of counterattacks and was committed to his great dreams.

- Description from Novelupdates

A literal ‘red flag’ in a world that sees her as a threat.Excerpt:“You shouldn’t be here,” Zenon growled, his voice low, eyes dark with conflict as he leaned away.Elira looked up at him, lips parted and swollen. “Then why did you kiss me?”“I couldn’t resist you.” His arms tightened around her waist instead of letting go.“Then don’t,” she said, without breaking the gaze.“Remember, you asked for it.” Zenon’s eyes darkened with desire as his lips found the perfect spot on her neck.---Elira Shaw was never meant to shine.Born an omega to a once-respected Beta bloodline, she’s lived as a ghost in her uncle's home, the acting Beta of the Ashfang Pack.After her parents' mysterious deaths when she was thirteen, Elira became little more than a servant to her aunt and cousin, Regina, the flawless Luna-to-be, groomed to marry one of the Alpha's sons.With no rank, no power, and no name worth remembering, Elira has long accepted her fate.But her fate transforms on her 18th birthday — the night of the grand mating ceremony.Not one, but the wolves of all three of Alpha Cyprus Ashford’s sons recognize her as their mate.The pack erupts into chaos. Regina's engagement plans crumble in fury. And Elira, the despised orphan, is suddenly the most important wolf alive.

On the brink of destruction, I regained consciousness and found myself back in the past, 20 years ago. In order to have a peaceful retirement, I must prevent the impending doom.

After annihilating Han, Zhao and Wei empires in succession, the dynasty of Qin is ushering in an unprecedented flourishing age with powerful cultivators emerging endlessly. People take pride in being part of the Qin dynasty. However, Ding Ning, a young lad of humble origin in Changling, Qin, is determined to subvert this dynasty and kill the emperor who breaks in the Eighth Realm.