Reigning class gambling champion Mary attempts to hustle unsuspecting transfer student Yumeko Jabami into a high-stakes game of rock-paper-scissors.

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.

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.

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.

Kiwatari continues to lose as Yumeko and Mary bluff their way through the game, but the final outcome all comes down to Tsubomi.

Yumeko must face Beautification Committee Chair Midari in an ESP card game involving Russian roulette before playing the student board president.

Deeply engaged in their deadly ESP card game, Midari tells Yumeko about her heated match against student board president, Kirari.

In Kirari's absence, pop idol sensation Yumemi offers to play against Yumeko, asking her to wager total control of her life.

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.

Yumeko's odds are stacked against her when she challenges the well-funded student board treasurer, Manyuda, in an original game of poker.

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.

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.

Erimi challenges Yumeko and Midari to a brutal game involving a sadistic finger-slicing contraption.

The Momobami clan becomes upset when Kirari announces that the election winner will take over as leader of their family.

With election committee chair Runa Yomotsuki presiding, former Vice President Ririka pits Miyo and Miri against Yumeko.

Playing in Yumeko's place, Mary orders Ryota to show his cards; Miyo tries to convince Ryota to keep his cards to himself.

To gain more chips, Yumemi ropes Yumeko into joining her; a Hollywood star's entry raises the stakes.

Outwitted by Kawaru Natari during the first round, Yumemi goes all-in for the second round.

With Kirari rapidly collecting votes, Yumeko and the other players gamble amongst themselves to boost their chip count, or lose it all.

Accused of treachery, Yumeko threatens to throw the game; to test Manyuda, Itsuki decides to take a major risk.

With everything they each hold dear on the line, Sayaka challenges Yumeko to a game.

Sayaka uses logic to advance; Yumeko's curiosity sways her to take an alternate route.

A select group of contestants are invited to bid in an auction; Yumeko changes the rules by offering the unimaginable.

A hostile Rei declares that she will win the election and take over, but Yumeko stands in her way.