Kakegurui Twin (2021)

Kakegurui Twin 2021 / 賭ケグルイ双（ツイン） 2021 / Compulsive Gambler Twin

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! (Source: MyAnimeList)