Studio MAPPA continues to excel with the "grotesque" facial expressions. The shift from Jun’s smug arrogance to his sweat-drenched panic is visceral.

Episode 4 of Kakegurui , titled marks a pivotal shift in the series. It transitions from introductory gambling matches to exploring the brutal social consequences of the Academy's debt system while forging the show's first major alliance. The Game: Debt Exchange Game (Indian Poker)

We see the birth of the Yumeko-Mary duo . Yumeko realizes that Mary is being cheated and uses her own "madness" to disrupt Jun's control, forcing Mary to decide whether to trust her former rival.

Unlike standard poker, players bet with Debt Swapping Tags . The winner takes the debt of the player with the lowest debt at the table, effectively clearing their own.