Rule 34 Dev - 1girl aoshidan_school_uniform breasts brown_hair cleavage collarbone fundoshi girls_und_panzer gluteal_fold hand_on_own_hip highres hiyama_yuu_(wee259hiyama) japanese_clothes large_breasts navel no_bra school_uniform short_hair simple_background solo tristana_(girls_und_panzer) white_background|25371556938