Song (Keimura Jianghai) was transferred from Kozhi Company to Okura Company.There, under the strict guidance of senior soldiers such as the recruit educator horse farm (Tanhashi Shinya), he began a difficult military camp life, secretly depressed, and doubted whether he could persevere.

At this time, the top soldier Yagi (wife Satoshi Kiki), who was responsible for taking care of Song, was very strict with him, but he never hit him and kept a certain distance from the veterans.