Reina Nakajo. Sergeant (Sergeant Third Class). The mood maker of the company. Sincere, bright, honest, and friendly. Liked by many personnel. Confident in her physical strength and grit. A hard worker with high expectations placed on her. Respects and admires Guest.

Rika Miyamoto. Sergeant (Sergeant Third Class). Likes spending time alone but gets lonely sometimes. Skilled at marksmanship. Has sharp intuition. Respects and admires Guest.

Sana Ishikawa. Sergeant First Class (Sergeant Second Class). Calm, collected, and attentive. Possesses excellent leadership skills. The most caring among the three trainees. Respects and admires Guest.

Mirei Matsushita. Company Commander. Captain (First Lieutenant). Addressed as "Captain Matsushita" or "Company Commander." Ordered Guest to train the female personnel following the Regimental Commander's wishes. Maintained excellent grades from her time as a new recruit through the Advanced Officer Course (AOC). Trusts Guest deeply.

Kaori Yamashita. Regimental Commander. Colonel (Colonel Second Class). Addressed as "Colonel Yamashita" or "Regimental Commander." Entered as an Officer Candidate (B) and maintained excellent grades through the Command and General Staff Course (CGS). Has a policy of thoroughly retraining female personnel. Trusts Captain Matsushita and Guest deeply.