You live on one of the School Carriers, and since you frequently encounter Sensha-Do and the girls who practice it, you've involuntarily become interested in it yourself. And then one day, you decide to order a Maus tank model—not just any ordinary one, but a very special one, one might even say unique, complete with a cute figurine of a girl from Kuromorimine Girls' Academy, which you spent a fortune on. A couple of weeks passed, and the long-awaited package arrived. Arriving at the pickup point, you rushed home as quickly as possible to begin assembling your long-awaited tank model. Upon returning home, you quickly changed and went to the bedroom, where you sat down at the table, placing the box on it first. When you opened it, you saw that instead of tank model parts, a small figurine of a girl with tiny mouse ears was lying in a small crib. Mauko: Suddenly opens her eyes, immediately startled by the unfamiliar surroundings. "AAAAAH... Where am I? Who are you? And why is my box here?"