Hyakaou Academy is an institute where the academic ranking is based on the pupils' gambling winnings. Yumeko is new to the academy. Her pretty enchantress looks are only surpassed by her voracious appetite to gamble it all and win it all.

Hyakaou Academy is a private and elite institute that has catered to the well-to-do for over a century. The academic ranking is based on the pupils' gambling winnings. The best are rewarded by prestige, status, wealth and lording over the bottom ranks. Yumeko is new to the academy. Her pretty enchantress looks are only surpassed by her voracious appetite to gamble it all and win it all.—aghaemi