Overview: Reigning class gambling champion Mary attempts to hustle unsuspecting transfer student Yumeko Jabami into a high-stakes game of rock-paper-scissors.
Overview: Mary is relegated to the lowest levels of the gambling hierarchy after her loss. Student board member Itsuki challenges Yumeko to a game of pairs.
Overview: To regain her status, Mary duels student board member Yuriko in a game of "life or death." With Mary's crushing defeat, Yumeko offers to play next.
Overview: Yumeko and Mary square off against two others in a game of Indian poker after being given a chance to minimize their colossal gambling debts.
Overview: Kiwatari continues to lose as Yumeko and Mary bluff their way through the game, but the final outcome all comes down to Tsubomi.
Overview: Yumeko must face Beautification Committee Chair Midari in an ESP card game involving Russian roulette before playing the student board president.
Overview: Deeply engaged in their deadly ESP card game, Midari tells Yumeko about her heated match against student board president, Kirari.
Overview: In Kirari's absence, pop idol sensation Yumemi offers to play against Yumeko, asking her to wager total control of her life.
Overview: With her pop idol career on the line, an enraged Yumemi seeks to ruin Yumeko after a scandalous voice recording is used as a bargaining chip.
Overview: Yumeko's odds are stacked against her when she challenges the well-funded student board treasurer, Manyuda, in an original game of poker.
Overview: Itsuki, no longer wanting to be under Manyuda's control, offers to bankroll 100 chips after Yumeko goes all-in and loses on the previous hand.
Overview: Yumeko and student board president Kirari both wager self-expulsion from the academy as Ryota becomes the key to the final outcome of their game.