[DeepL Translation - needs review] Volume 1: There is no Yumeko at Hyakkaou Academy. One year before Yumeko transferred to the school. Meari Saotome, an ordinary girl, passes the transfer examination and enters Hyakkaou Academy. However, what awaits her is the school's crazy code, the baptism of gambling. This is the story of another "Gentile" in the prehistory of "Kekkegurui-Prehistory.
(Translator: DeepL)
