Children from influential families in politics and businesses attend the Hyakkaou Private Academy. There, the hierarchy are classified by a series of games. Students that win are on the ruling side and the ones who lose become slaves. One day, a mysterious girl, Yumeko Jabami, transfers to Hyakkaou. She looks pure and pretty, but she's actually a compulsive gambler and seeks out the thrill of taking calculated risks.
Starring Minami Hamabe, Mahiro Takasugi, Aoi Morikawa, Taishi Nakagawa, Yurika Nakamura, Natsume Mito, Ruka Matsuda, Matsumoto Kiyo, Natsumi Okamoto, Yuma Yamoto