Ensign Ogami has only just begun his first assignment, and he's already considering handing in his resignation! Punching tickets at the theater doesn't seem to be furthering his goal of defending Tokyo from demonic invaders, but the employees of the Imperial Theater are more than they seem, and Manager Yoneda is no exception. When the girls suit up for their first major battle against the demon steam suits, they will find their enemies are quite a bit tougher than initially anticipated!