MTL - My Great Qin Cannot Die - Chapter 17 The king of a country has political overtones in his behavior.

He died on the wedding of the girl he had a crush on, after a long and successful career. After convincing Yama to send him back to the world, he decides to fix the areas in which his life went wrong. Realizing the lack of love and romance in his past life, he sets out to conquer the hearts of various women.

Perhaps it is the choice of fate. As a senior otaku, Qian Lingfeng got the “steel shell system”. However, when he swept the world with the system, became a local rich man, made all kinds of beautiful women, opened a harem, and realized the ultimate fantasy of thousands of otaku, he found that things seemed far from simple!
When the end comes, biochemical zombies suddenly come down, fierce beasts are in power, bloodthirsty zerg roam to kill the world, and human lives are comparable to dirt. Where will weak human beings go in this world? Is humanity going to be extinct? Or … can an otaku save the fate of the human race?

- Description from Novelupdates

The protagonist, Punk, is a cautious, cold-blooded, and ruthless Mage.

His goal is always his top priority, over feelings or morality. When unnecessary, he doesn’t like to act like pigs to eat tigers; there are almost no life and death struggles, sometimes risky but steady progress. No strong enemy everywhere, Instead, Punk is always a strong enemy of others.

And he has a very keen interest in the secrets and teachings of the Netheril civilization.

The daughter of a healthcare company's CEO, Ines Jackson was in an arranged relationship that was soon supposed to turn into a marriage.However, her fiancé, Trevor Harrington, was physically abusing her and using her only for her family’s status.One night, while running away from him as he chased her in a drunken rage, she bumped into a guy…not just any guy, but a famous boxer: Raphael Giovanni, whom she had never heard of personally.He saved Ines from Trevor, and in her rush for safety, she offered him a marriage in return.Unbeknownst to Ines, Raphael knew her father, who was responsible for his mother’s health issues and eventually her death.Seeking revenge, Raphael agreed to the marriage. But little did he know that the heiress would become more than just a part of his revenge plan.“You can’t love me…monsters like me don’t live enough to experience love.”