The Achiga Mahjong Club enter the prefectural tournament to try and qualify for the Nationals. But in their first match they have to face Bansei High who has only beaten once. However, thanks to the training of Harue, they are able to easily beat them and are headed to the Nationals.
To prepare for the Nationals the Mahjong club decides to play the second place schools for each prefecture. The first team they face is Ryūmonbuchi High, the team that Nodoka's Kiyosumi High beat to get into the Nationals.
After a whirlwind ten day training camp The Achiga Mahjong Club head to the Nationals.
|Saki Miyanaga ( x ) ( x ) ( x )||
|Koromo Amae ( x ) ( x ) ( x )||
|Shizuno Takakamo ( x ) ( x ) ( x )||
|Ako Atarashi ( x ) ( x ) ( x )||
|Kuro Matsumi ( x ) ( x ) ( x )||
|Yū Matsumi ( x ) ( x ) ( x )||
|Arata Sagimori ( x ) ( x ) ( x )||
|Harue Akado ( x ) ( x ) ( x )||
|Aoi Yūki||Voice Actor||Shizuno Takakamo|
|Nao Toyama||Voice Actor||Ako Atarashi|
|Kana Hanazawa||Voice Actor||Kuro Matsumi|
|Mako Sakurai||Voice Actor||Yū Matsumi|
|Yumi Uchiyama||Voice Actor||Arata Sagimori|
|Naomi Shindo||Voice Actor||Harue Akado|
|Kaori Fukuhara||Voice Actor||Koromo Amae|
|Minori Chihara||Voice Actor||Touka Ryuumonbuchi|
|Ayuru Ōhasi||Voice Actor||Tomoki Sawamura|
|Yuko Kaida||Voice Actor||Jun Inoue|
|Daisuke Ono||Voice Actor||Hagiyoshi|