MTL - Bringing Along a Ball and Hiding from Foreign Devils - Chapter 9 Exposure

Yo, Hi! I’m Frank, I made a deal with a demon to pay me some money for receiving a guest for a few days every week.
I had no idea about what I have done.
On May 1st, Conan ‘the God of Death’ came to my house. I was forced to let him in and we get involved in a criminal case.
On May 8th, Bruce Wayne ‘Batman’ came to me. I was forced to follow him to fight crime.
On May 16th, Hannibal Lecter, The Silence of the Lambs, came to my home. I can only say that I really can’t stand my guests.

- Description from Novelupdates

Shaymon, the man who has achieved the apex of dark magic, is framed as being a Demon King and is killed.

“I was scared!” she cried, interrupting him. “You're a married man, you have a wife now, and I didn't want to ruin that. I didn't know how you'd react. And I didn't want my children… our children… to be caught in the middle of more pain.”He looked at her in shock, breath caught in his throat. “You just said… our daughter earlier,” he said slowly.Yes,“ she answered. Jasmine and Hanith. They're yours.”Aaron's breath hitched, stumbled back a step, staring at her like he was seeing her for the first time again.“You told me they weren't mine,” he whispered.“I lied,” she admitted. “Because I was scared. I wanted to protect them. I thought if you knew, you'd take them away. And I also thought you wouldn't want them because you are married now.”“Five years,” he murmured, his voice barely audible. “I had children... and never knew.” He clenched his jaw, struggling to process everything.“They are your children,” she said softly. “And now your daughter needs you.”~**~A single mother, Katherine Prescott was the perfect definition of a B3 classy lady—beautiful, brainy, and brave. She worked her ass off to ensure her children never lacked, building a name for herself while running from the unwanted attachment of the past.But when the past she thought she'd left behind the day she fled with her babies came crashing against the walls she'd built—six years later—everything she buried resurfaced.What if the forgotten spark and desires kept pulling her back into the very past she wanted to forget? What if her babies wouldn't stop asking about their father? Can she really give him a second chance at love… and risk losing herself to passion again?Aaron Knight was a celebrity. He never believed he'd see her again. But there she was—still breathtaking, still beautiful as ever. He wasn't letting her go this time. He would get her back, by hook or by crook.Two problems: he was married… and she was already a mother.

“Yan,” the protagonist, was brainwashed by the emperor and lived as his puppet. After finding out he was being played by the emperor, he planned to seek revenge, but collapsed due to the emperor’s might. He thought he had died, but when he woke up, he realized he had regressed to the time when he was a recruit. Whether to seek revenge on the emperor or to find his family. The choice lay in his hands.