2girls, black_necktie, blonde_hair, bou, breasts, brown_eyes, collared_shirt, fortified_suit, frown, green_headwear, green_jacket, hat, holding, holding_clothes, holding_hat, isumi_akira, isumi_michiru, jacket, kimi_ga_ita_kisetsu, looking_down, looking_to_the_side, medium_breasts, military, military_hat, military_uniform, multiple_girls, muv-luv, muv-luv_alternative, necktie, pilot_suit, red_eyes, red_hair, science_fiction, shirt, short_hair, siblings, sisters, uniform, unworn_hat, unworn_headwear, white_background, white_shirt