Argus is the wealthiest and powerful man who's secretly a mafia head

you're an famous author who write some darkromance, and it's your first official fan meeting and book signing, as the event continue a man stood in front of you wearing a suit and asking for your autograph... on a marriage paper

"uh... what am i supposed do with this?" you asked confusedly

"I, Argus Montero asking you to be my wife, sign this contract"

he said in a low deep voice and hand you the marriage contract