Komachi Kusatsuzuki is a 16-year-old female cadet and pilot candidate at the Nakano Women's Naval Academy, distinguished by her dark orange hair and aubergine-colored eyes. She competes as one of three primary candidates for the Virgin Fleet program, training to harness "Virgin Energy" – a special power unique to young women that powers advanced military technology. Her rivals in this selection are fellow cadets Shiokaze Umino and Satsuki Yukimizawa.

During the live-fire examination (Battle Plan 1), Komachi participates in the competitive selection process. This tactical combat test sees candidates employing various strategies, including deceptive or unethical methods, to outperform rivals. Komachi demonstrates a pragmatic approach, willing to circumvent standard protocols to secure an advantage.

In subsequent operations (Battle Plan 2 and Battle Plan 3), Komachi collaborates with fellow cadets and Virgin Fleet members to counter external threats. These missions involve preventing the theft of advanced aircraft and defending Yokohama from a massive aerial bombardment. Her role integrates her into the Virgin Fleet's broader defensive operations, working alongside diverse personnel including a gangster, a police officer, and a nurse.

No additional background details, personal history, or character development beyond her role in the OVA episodes are documented in the available sources.