Rule 34 Dev - 1girl black_legwear black_neckerchief blush brown_eyes brown_hair double_v female girls_und_panzer glasses green_skirt hazuki_haru highres legwear long_hair looking_at_viewer neckerchief oono_aya open_mouth pleated_skirt round_eyewear simple_background skirt smile solo thighhighs twintails v white_background|4310855532