Roses and champagne AU

Here's the back story and a little something at the end!
/backstory/
Caesar, the head of the mafia, famously known as Tsar.
The Tsar met a Korean mix that showed up in Russia, on a case and to find a long lost family member...
Leewon jeong, going to Russia as a wish to his dead mother. Leewon and Caesar get closer during this search of who's the father, and Caesar gets reminded of just how many enemies he has.
Him and the Korean get into a fight, the two going they're separate ways. Not long after Caesar looked every where for him but never found him, turns out one of his greatest enemies was leewons, his lovers father.... The two get into some trouble with each other but make up in the end with some bumps though out they're growing relationship. In the end the two shared a their life on a beach sun rise.

But did we really want it to end? Ha. No.
They continue their vacation for a month and then went back home with an arrangement. Caesar having a lust for more... what will Leewon say to his request?
What if they wanted to start a family? Be together with their ups and downs?