1girl, black_ribbon, blush, bra, breasts, bright_pupils, brown_eyes, brown_hair, elf_(stroll_in_the_woods), frown, girls_und_panzer, hair_ribbon, koyama_yuzu, lace-trimmed_bra, lace_trim, medium_breasts, medium_hair, navel, open_mouth, panties, pink_bra, pink_panties, ponytail, ribbon, simple_background, solo, sweat, underwear, underwear_only, white_background, white_pupils