1girl, ass, blue_eyes, blush, breasts, brown_hair, closed_mouth, from_side, fundoshi, girls_und_panzer, hair_ribbon, hiyama_yuu_(wee259hiyama), japanese_clothes, locker, long_hair, looking_at_viewer, maiko_(girls_und_panzer), navel, ponytail, ribbon, shiny_skin, small_breasts, solo, sweat, sweaty_clothes, very_sweaty, wet, yamakasa