Baccano!, Vol. 21 (light novel) by Ryohgo Narita
The casino party is finally underway, and everyone involved in the Flying Pussycat and Mist Wall incidents has gathered at the new Ra'AEos Lance hotel. Is there a shadowy figure pulling the strings behind the scenes, or is it fate? Meanwhile, the Martillo family has been hit by Melvi, the Runorata family'AEos dealer. Amid the confusion, Firo heads to the casino fueled by anger and determination... And so the gamble begins!