1girl, ass, blue_eyes, blush, breasts, fundoshi, girls_und_panzer, hiyama_yuu_(wee259hiyama), itsumi_erika, japanese_clothes, large_breasts, looking_at_viewer, looking_back, open_mouth, ponytail, rope, shiny_skin, simple_background, sitting, solo, sweat, white_background, white_hair, yamakasa