
Prison School
監獄学園〈プリズンスクール〉
Hachimitsu Private Academy was a revered and elite all-girls' boarding school on the outskirts of Tokyo...once upon a time. But with the new school year comes a revision to school policy: Boys are to be admitted into the student body for the first time ever. But on his first day at Hachimitsu, Kiyoshi Fujino discovers that he's one of only five boys enrolled at the school. Their numbers overwhelmed by the thousand girls in the student body, is it heaven or hell that awaits these five (un)fortuna
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Photo by Unknown (CC BY-SA 3.0) via Wikimedia Commons
Tokyo Metropolitan Hachioji Higashi High School
東京都立八王子東高等学校
This high school served as the primary model for Hachimitsu Private Academy in Prison School. The distinctive school building architecture and campus layout closely match the fictional academy where the main characters attend.

Photo by S.Tanaka at Japanese Wikipedia / User:T.Seiichi (CC BY-SA 3.0) via Wikimedia Commons
Tamagawa Riverbank
多摩川河川敷
The Tamagawa River area appears in several outdoor scenes throughout the anime. The riverbank and surrounding landscape provide a realistic Tokyo suburban backdrop that matches the show's setting.
Photo by Syced (CC0) via Wikimedia Commons
Hachioji Station Shopping District
八王子駅周辺商店街
The shopping areas and streets around Hachioji Station appear as background locations in the anime. These urban scenes help establish the suburban Tokyo setting where the characters live and attend school.