Trope
Mafia Romance
Mafia Romance puts the love story inside a debt, a sweep, or a card room where someone already owns the terms.
Searchers want the obligation, not a soft meet-cute. Void Pact is a dealer's debt in a basement card room.
Void Pact: The Dealer's Debt
Kane and Leo. Dark MM Romance, Mafia, Heat 4. Enemies to Lovers, Forced Proximity, and a debt contract. The free trial is chapters 1–3.