3girls, d, barefoot, beach, beach_volleyball, bikini, black_jacket, blue_eyes, blush, breast_press, breast_rest, breasts, brown_eyes, brown_hair, cleavage, cross, day, dirty, dirty_feet, emblem, feet, frown, girl_sandwich, girls_und_panzer, hair_between_eyes, halterneck, holding_hands, interlocked_fingers, iron_cross, itsumi_erika, jacket, jacket_on_shoulders, kneeling, kuromorimine_military_uniform, large_breasts, leaning_forward, legs, light_brown_hair, looking_at_viewer, medium_breasts, medium_hair, military, military_uniform, multiple_girls, nakahira_guy, navel, nishizumi_maho, nishizumi_miho, open_mouth, outdoors, red_bikini, sandwiched, short_hair, siblings, side-tie_bikini_bottom, sisters, sitting, smile, soles, sparkle, sweatdrop, swimsuit, thighs, uniform, wavy_mouth, white_bikini, yokozuwari, yuri