Dark Fairy Tale: Tyrant, Conquered Cinderella at the Beginning - Chapter 5 - A Different Cinderella

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

[2020’s Most Thrilling Soldier King Novel Online!]The Dark World’s number one assassin—Ye Huan, who strikes fear into the hearts of leaders across nations, is forced to return to Huaxia and marry an icy CEO due to an order from his mentor. Simplicity and directness are my art of dealing, and taking action if unsatisfied is my life attitude. Can money buy anything you want? Sorry, but the number of digits in my bank account exceeds those in your ID number!Watch as the top assassin navigates the bustling city, tramples over arrogant youths, and unifies the world of elites!

Li Ke Lin (also Li Colin), a Chinese office worker, woke up to find himself suddenly no longer Li Ke Lin but instead Colin Lee, son of multi-billionaire in America. Having taken over the body of Colin Lee and carefully imitated his manners and bearings, his next goal is to inherit his father’s wealth. However, when his father lists the condition of marrying a woman who feels repulsed by Colin Lee’s (not Li Colin’s) dalliances, and whose very nature is the complete opposite of Colin Lee (not Li Colin), what must he do to gain her affection?!