Shiomi Academy is the primary setting of the Daitoshokan no Hitsujikai series and its side stories.
It is revealed in the Visual Novel that the academy is shown to be competitive as students are told to treat their peers as rivals from the beginning. The academy has a lower than average acceptance rate as only students with good academic results are able to pass the exams. In addition, the transfer exam is harder than the normal exam.
- The first year students wear blue ribbons whereas the second year students wear red ribbon or ties.