MTL - Marvel: Start with God of Destruction - Chapter 4

After getting shot, Lucas, a serial killer, reincarnated into the novel world as a tragic villain with the same name, Lucas Ciffer.

Lucas Ciffer was supposed to be the Holy Kingdom's successor to the throne, but his demonic appearance and the powers he possessed terrified the entire kingdom. A white-haired boy with red eyes and pale skin, together with his dark powers, got persecuted and exiled by his own family. Not to mention that in the future he was destined to die by the hand of the hero.

Lucas fell from holiness, and, with the serial killer's bloodlust and knowledge of the future, he decided to prove the world right.

Yes. I could be a villain; no, in fact, I WILL BE THE VILLAIN.

“Each betrayal leaves a scar… and hers ran the deepest.”Once, Aveline Laurent gave her heart to Damien Ashford - the man who promised her a future, only to cage her with sweet lies.She endured it all with a smile… until fate dragged her back to the very beginning.Now, with a second chance hanging by a fragile thread, Aveline returns.Not to plead, but to punish.
Not to forget, but to make him remember.But revenge is never simple. The path is fraught with shadows—and an unlikely ally–Alaric Lancaster–whose loyalties remain as mysterious as his gaze.

Shen Yuqing and the Emperor had a secret arrangement––

She was his pampered consort, and she would hit wherever the Emperor directed her to strike;

The Emperor “loved and favored her forever”, and she could do whatever she wanted.

Later, she set her eyes on the Empress who had the same type of marriage only in name…

- Description from Novelupdates

In a world teeming with Titans, Colossals, Gigantic Monsters and Kaiju's, Erian who reincarnated makes his living collecting scraps of low-grade Defective Genetic Serum, realised he transmigrated along with his system.

Follow Erian as he grows to become the strongest Disaster Grade Titan with the help of his Titan System!