Imamiya Girls' High School, located in Nagano Prefecture, is a regional rival of Kiyosumi High School in the Saki manga and its anime adaptation. They faced off agasint Kiyosumi during the opening round of the prefectural tournament. However they did not advance past this round.
- Girls' team tournament
- Youko Kadomatsu (vanguard)
- Yukari Douyama (sergeant)
- Unnamed Imamiya student (Lieutenant)
- Mai Tanaka (vice captain)