1girl, blush, breasts, cleavage, collarbone, freckles, fundoshi, girls_und_panzer, grey_eyes, grey_hair, hair_ornament, hair_scrunchie, hiyama_yuu_(wee259hiyama), japanese_clothes, large_breasts, long_hair, open_mouth, outdoors, piyotan_(girls_und_panzer), ponytail, scrunchie, shiny_skin, sitting, solo, yamakasa