MTL - Marvel: I Am the Man of Steel! - Chapter 486

Transmigrated into the future, Nash, once the father of the first true Artificial Intelligence and the richest man on Earth, found himself reduced to a nameless vagrant, the lowest of the low.Stripped of power and identity, he faced a world that had evolved beyond his imagination. Fortunately, in this bleak new reality, Nash uncovered a hidden gift: the ability to program his body.Once a linguistic genius, a pioneer who gave commands to artificial intelligence with precision and brilliance. What twist could he do now that he is given the ability to program his body?Can't control every fiber of your body?→ [Control Module System]Tired of endless training?→ [Training Module System]Too weak in combat?→ [Combat Module System]Need perfect memory?→ [Memory Module System]In a world ruled by technology and extraordinary, watch how Nash reforge his destiny as he uncovers the deepest secrets of his body.“This time, I won’t build a god. I’ll become one.”

An anime otaku who has traveled to the world of full-time hunters, in order to live well, he can only keep getting stronger all the time, burying the strong one after another. Your withered life will be continued by me.

- Description from novelbuddy

It tells a poignant love story. He was the most heroic man in history, and before his death he sang a sad song about a woman; she was the most charming woman in history, and before her death she danced a story about steadfast love. The story of the two had no beginning, only an ending of parting in death. After his death, he became a demon for her, and fought fiercely with the immortals of the three realms. After he was killed, his unique seven souls were hidden in various places by the immortals; she became a ghost for him, and before she passed away, she smashed Meng Po's soup bowl, and her soul flew away. Even so, he still vowed to subvert the three realms, find her in the next reincarnation, and marry her, even if it took a thousand years.

Beings that create and control monsters and demons, beings that build and reign over malicious labyrinths, the chosen individuals to possess an overwhelming Unique Skill… They are the Demon Lords.