The spin-off series Kakegurui Twins is available now for Netflix subscribers. The series is a spin-off which follows Mary Saotome, a villain-turned protagonist in the main series.

As a first-year student of the renowned Hyakkaou Private Academy, Mary Saotome knows her future is set for a one-way cruise to the top…That is, until an encounter with an old-classmate-turned-housepet throws the newbie princess into the world of gambling! Can a normal girl like Mary make friends and survive debtless through only wit and luck?

Source: MyAnimeList