I’ll Be the Male Leads Sister-in-Law - Chapter 470

In the world of One Punch Man, the seventh S-class hero of the Hero Association, the King Engine King has obtained the super god skill system.

As long as you have reputation, you can extract the skills of the heavens and the world!

DNF’s extreme swordsmanship, the flames of fire in the god of death, the Tensei and Samsara in Hokage, the top three-color domineering in Pirates, the dragon slaying magic in Fairy Tail… Look at the system panel. For the 100 million prestige balance, KING took a discount and chose Stud. “Ding!”

- Description from novelbuddy

Three years ago, she was cruelly abandoned by the man she loved deeply, leaving her to walk down the aisle alone while heavily pregnant. Three years later, she reappears transformed, stunningly beautiful, and says with a smile, “Husband? I don't need a husband.” The man behind her narrows his eyes, his thin lips turning into cold blades, “Qin Yan, try saying that again?”

To save a doomed fantasy world, I killed the main characters, then destroyed the game world, and fell into another timeline as the academy's top seat and rival to the protagonist.Now, I'm trying to save the world and steer it towards a better ending…But I'm the final boss.