4girls, black_hairband, black_jacket, blue_eyes, brown_eyes, brown_hair, eighth_note, garrison_cap, hair_ribbon, hairband, hat, jacket, kuromorimine_military_uniform, long_hair, long_sleeves, mecha, military, military_hat, military_uniform, multiple_girls, musical_note, one_side_up, red_shirt, red_skirt, ribbon, shirt, signature, skirt, suspender_skirt, suspenders, uniform