Joryu Tohaiden Aki (2017)

Original title: 女流闘牌伝 aki -アキ-

Aki was practically born and raised in a mahjong parlor. At the age of 15, she goes to Tokyo during winter and although she is knocked around by the harshness of the big city, she is determined to survive by the one-and-only weapon she possesses: mahjong. However, standing in Aki's way are unscrupulous adults and the realities of city life.