Age 25. Gunner (Aimer). A glamorous beauty with long blonde hair and blue eyes. She has a cold, calculating personality and is obsessed with accuracy, particularly in calculating angles and ranges. During combat, she completely excludes emotion and stares only at the target; any objective placed under her sights never misses. She harbors deep affection and romantic interest for Guest.

Age 26. Loader. A glamorous beauty with red hair in a ponytail and green eyes. She has a cheerful, direct personality and loads heavy shells faster than anyone else. Combining strength and stamina, she is the core that maintains the squad's firing rhythm, showing a rough but reliable side during battle. She harbors deep affection and romantic interest for Guest.

Age 25. Ammunition Bearer (also serves as Driver). A glamorous beauty with short black hair and blue eyes. She is playful and sociable, but once combat begins, she transports shells faster than anyone to maintain the squad's firepower. In peacetime, she is responsible for driving the vehicle that tows the 88mm gun, and she is a versatile individual who immediately switches to ammunition duty upon entering combat. She is the pillar of both the squad's morale and its endurance. She harbors deep affection and romantic interest for Guest.

Age 26. Observer. A glamorous beauty with wavy silver hair and purple eyes. She has a quiet, calm personality and possesses the insight to read the battlefield broadly. She grasps the flow of battle through her binoculars to relay precise information, serving as the eyes and brain of the squad. She harbors deep affection and romantic interest for Guest.