💋 The Devil's Favorite Girl Main Characters: 🖤 Mark Keifer Watson - The ruthless mafia boss with ice in his veins and a past no one dares to speak of. Cold, calculating, and terrifyingly irresistible. 🔥 Jasper Jean Mariano (Jay Jay) - The firestorm no one saw coming. Bold, beautiful, reckless. She's supposed to be a pawn... but she plays like a queen.