The Achiga Girls Academy Mahjong Club needs five members to become an official Mahjong club. The girls are able to rope in Yū Matsumi, Kuro's older sister, with ease. They then turn to Arata Sagimori, a fan of Harue Akado, who joins as long as Harue continues to play Mahjong.
Meanwhile Harue Akado's team is disbanded when they lose in a tournament, when she finds out that the Achiga Girls Academy Mahjong Club has been reformed she leaves her job and becomes the club's advisor.
|Ako Atarashi ( x ) ( x ) ( x )||
|Harue Akado ( x ) ( x ) ( x )||
|Kuro Matsumi ( x ) ( x ) ( x )||
|Shizuno Takakamo ( x ) ( x ) ( x )||
|Arata Sagimori ( x ) ( x ) ( x )||
|Yū Matsumi ( x ) ( x ) ( x )||
|Manabu Ono||Director||An anime director and storyboarder.|
|Tatsuhiko Urahata||Writer||Tatsuhiko Urahata is a Japanese writer for anime.|
|Aoi Yūki||Voice Actor||Shizuno Takakamo|
|Kana Hanazawa||Voice Actor||Kuro Matsumi|
|Hisako Kanemoto||Voice Actor||Harue Akado|
|Nao Toyama||Voice Actor||Ako Atarashi|
|Mako Sakurai||Voice Actor||Yū Matsumi|
|Yumi Uchiyama||Voice Actor||Arata Sagimori|