Set on the outskirts of Tokyo, Hachimitsu Private Academy has long been an elite all-girls boarding school, but a new policy opens its doors to boys for the first time. When five male students enroll and almost immediately land themselves in the school's on-campus prison, the story shifts into a sharp, absurdist comedy about friendship under pressure and institutional power taken to strange extremes. Fans of irreverent humor and detailed school-setting visuals will find plenty to enjoy here.