Commander Kaoru “Hime” Koto leads Combat Unit One with strength, grace, and an unbreakable bond with her team — Ally, Captain Higashiyama and Yukimoto, and the ever-loyal Rumiko. Together, they’ve faced every challenge the battlefield can throw their way. When a new commander, Aoi Yoshida, arrives and begins to unravel the hard-won peace Kaoru built, loyalties are tested, and old wounds resurface. As tensions rise within the ranks, Kaoru must decide what kind of leader and friend she should be.