Rio: Rainbow Gate!

Rio Rollins Tachibana (リオ・ロリンズ・タチバナ) is the most famous casino dealer at the Howard resort. She earns the title of "Most Valuable Casino Dealer" (MVCD) after collecting all 13 legendary cards or "Gates" through a series of "Gate Battles". Based on the Rio series of pachinko games by Koei Tecmo Games Co.