Rule 34 Dev - 1girl akiyama_yukari blush breasts brown_eyes brown_hair embarrassed girls_und_panzer hazuki_haru highres long_sleeves looking_at_viewer messy_hair no_bra ooarai_school_uniform pleated_skirt school_uniform serafuku short_hair simple_background skirt solo underboob upshirt white_background|15670758402