
S01E01 Episode 1
Unaware of her new school's ways, transfer student Yumeko Jabami is offered a high-stakes game of rock-paper-scissors against her classmate, Mary.
A nervous Suzui serves as dealer for Yumeko's deadly duel with Midari. Meanwhile, student board member Manyuda summons Mary for a surprising proposal.
Children from influential families in politics and businesses attend the Hyakkaou Private Academy. There, the hierarchy of the students are classified by a series of games. Students that win the games are on the ruling side and the students who lose become slaves. One day, a mysterious girl, Yumeko Jabami (Minami Hamabe), is transferred to Hyakkaou Private Academy. She looks pure and pretty, but she is actually a compulsive gambler and seeks out the thrill of taking calculated risks.