All in Abyss: Judge the Fake

Asuha Senahara, a self-proclaimed genius gambler, is a wanderer. Amidst the tables of cards and dice, it is she alone who snatches the chips at stake. One day, she learns of the “gambling district”, a special ward where gambling holds influence above all else. The “Witches” - a group of the most extraordinary gamblers rule over the place - treat Asuha to the taste of defeat; something she was unfamiliar with. They exercised not luck, not skill, but dirty tricks, such that felled Asuha to the depths of the abyss. As a self-proclaimed genius gambler, Asuha becomes determined to take down the Wit(Storyline via IGDB)