Saki: Ačiga-hen – Episode of Side-A

Shizuno Takakamo and Ako Atarashi, members of the Achiga Girl's Academy Kid's Mahjong Club, invite the new transfer student from Tokyo, Nodoka Haramura, to come play with them. Kuro Matsumi, a student one year above them, and Harue Akado, a university student who is their coach, are there as well, and together they spend their days having fun and playing Mahjong. But when it's time to go to middle school, Harue leaves for a pro team, and Ako ends up going to a different school. And then Nodoka transfers, and the group is torn apart. (Crunchyroll)