It's a year before Yumeko transferred to Hyakkaou Academy. Saotome Meari, a young girl who was born into a very ordinary family, passed her transfer examinations, and has started to attend Hyakkaou. However, the school she expected to attend has a crazy law, the Baptism of Gambling. Paired with Yumeko as her "twin," the curtain opens on Meari's gambling mania!

Aoi Morikawaas Saotome Meari
Hayato Sanoas Mibuoami Aoi
Erika Ikutaas Miharutaki Sakura
Shiori Akitaas Hanatemari Tsuzura
Atsuhiro Inukaias Kamishimo Nagi
Mahiro Takasugias Suzui Ryota
Mijika Nagaias Juraku Sachiko
Minami Hamabeas Yumeko Jabami (蛇喰夢子)
Mirei Sasakias Sado Mikura
Elaiza Ikedaas Momobami Kirari