Becoming evil makes you ten times stronger, but becoming a demon gives you hundredfold strength - Chapter 2 - The Days of Youth

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

Ye Xinghui was tricked into another world by an unscrupulous god.Still, he at least has a golden finger.At first, Ye Xinghui planned to rely on his golden finger to become a protagonist in the new world, but… when he saw his parents’ information, he was completely dumbfounded.His father turned out to be the legendary King of Soldiers, and his mother was the legitimate daughter of the first noble family in China.But this was nothing. Ye Xinghui was even more dumbfounded when his brother suddenly woke up and said, “Shouldn’t I be going through the heavenly tribulation? Why am I here… wait… is this Earth?”Ye Xinghui can’t help but think, ‘Didn’t we agree that I would be the protagonist?’

The most dependable (sarcastic) assassin -- Gao Xuan.Developing himself with an inventory of powerful gear. A master of biding his time, backstabbing, and brutalizing weaklings.Don’t love me. Nothing would come out of this.I am an assassin without feelings.

Kizy, an etheral beauty with a cold but proud personality.

She had infuriated her boss and left the previous company. In return, the company attacks her mom. Plus with the power behind the company, no hospital is ready to treat her mom.

Thus left with no option, Kizy had to go and plead Markus for saving her mom.

Markus, most eligible bachelor in country B with a godly handsome face. He is no.1 business tycoon. But only a few people know that Markus is actually the current mafia leader of underworld in country B.

And unknown to others, he has a past with Kizy. To put it in plain words, they both can be called sworn enemies. They have known each other since childhood and hate ech other to the core. Thus when Kizy approaches him, she isn't much hopeful.

But opposite to her expectation, he agrees to help her out on one single condition i.e to marry him. And therefore Kizy is forced into this marriage.

But what will happen when these two people who can not tolerate each others's presence for even a moment are tied with the marital knot for the rest of there life?

Let's witness a crazy love saga unfold between Kizy and Markus filled with loads of action, drama, unseen twists and turns and off course a whole lot of romance.