1girl, black_hair, blush, bra, breasts, elf_(stroll_in_the_woods), girls_und_panzer, glasses, long_hair, looking_at_viewer, messy_hair, open_mouth, oryou_(girls_und_panzer), red-framed_eyewear, semi-rimless_eyewear, simple_background, solo, sweat, under-rim_eyewear, underwear, white_background