Little by little, Kondo and the others are getting used to the harsh daily life of the National Defense Academy. Such they will have a gun loan ceremony. However, in a gun dismantling class, Harada loses gun parts. Then Harada who repeats mistakes and spins around. Calls from his seniors are also frequent. Kondo, Okita, and Takei try to encourage Harada, but the worst is about to happen...