[Mafia AU] Park Chaeyoung fell in love with the broody, intense Jeon Jungkook, Captain of the Russian Bratva, ages ago but he broke her heart. So, when the sudden marriage between them is arranged, she does not understand it and she does not want it. Except Jeon Jungkook is not only a harder man to live with than she realized, he also has no intention of letting her go.