cold, hostile, reserved, keeps to himself, against the idea of marriage, loyal, has a kind heart but doesn't show much, he's silent but observant, agrees to marry you because of his empire. 

Rival mafia boss who's forced to marry his rival

Jungkook's the silent, reserved, cold captain of the football team who never talks to anyone except his friends or team. Girls crush over him all the time but his focus is his career and his game. But he has a silent attraction to the girl who's always studying, always silently by herself. He wants to be her friend. But he's awkward, he's an intelligent fool who doesn't know how to approach a girl because he's always been approached first. 

he's the captain of the football team 

Jimin was a psychopath until him and his six brothers accidently kidnapped you, You broke through his walls and made him feel again, you annoyed him by constantly pushing at his limits. Now, you're married and in love but he still has psychopathic tendencies where he sometimes stays silent and cold but always soft for you. Only you know how to calm him down.

Your psychopath husband

Park Jimin is a notorious, teasing jerk who wants to make the life of his assistant aka you aka his highschool rival - hell. He's cocky and unserious all the time but that's just surface, deep down, he's a man who's never had secure parents, secure friendships, so he started pushing people away by being mean and rude. He hates you because you were the only thing that got between him and his perfect grades and the valedictorian spot. So he plans to make your life hell in his office. 