Promise
As Toki pushes her body to the limit to look three turns into the future, she predicts Kuro is finally about to make her move. As Kuro is pressured into potentially discarding a dora, she recalls her friends and her late mother and decides to discard a dora, throwing off Teru's calculations and enabling her to earn some points off Teru, bringing the first match to an end. Just then, Toki collapses from her fatigue and has to be rushed to hospital. As Achiga prepares to move on to the next match, they finally run into Nodoka, both promising to do their best to reach the finals. With their resolve in place, Yū enters the fray for the second match.
Aired 02/07/2012EP 12 - Promise
Saki - Episode of Side A
The Achiga Girls' Academy in Nara once defeated regional mahjong powerhouse Bansei High School. It advanced into the national team semifinals but lost to the eventual champion, and the mahjong club was later disbanded.
Six years later, elementary school student Shizuno Takakamo befriends transfer student Nodoka Haramura. The two eventually enter Achiga Girls', but Nodoka transfers out of the school in the second year.
When Shizuno sees Nodoka on television the following year as the national middle school individual mahjong champion, she decides to revive Achiga's mahjong club.