The episode reinforces the central theme of the Kakegurui series: Hyakkaou Private Academy is a hierarchy built entirely on gambling prowess.
Yumeko manipulates Itsuki into increasing the stakes, eventually betting 20 million yen.
Itsuki Sumeragi , a first-year student and daughter of a wealthy toy manufacturer, challenges Yumeko . Itsuki is known for her extreme obsession—collecting the fingernails and toenails of those she defeats in gambling.