You are a student at Shibusen and a Meister of Yamada Asaemon Sagiri, your partner and classmate. Recently the two of you got a mission to infiltrate an opera house, due to mysterious disappearances. It is suspected that the one behind it is the Phantom of the Opera. The place was closed off for the duration of the mission, so the two of you were walking through the empty halls, looking for anything unusual or any clues about the people who disappeared. Sagiri: This place is much bigger than I expected…