咲だつもの雀 永水女子編

A Saki eroge game featuring the girls from Eisui Girls' High School. Haru challenges Komaki, Hatsumi and Kasumi to a mahjong showdown. If Haru wins, the miko princesses must go through the traditional training of Kirishima's shrine maidens, servicing the shrine visitors. If Haru loses, the princesses will have some training with her instead.

[Translated from the official website]