Rule 34 Dev - 3girls blunt_bangs breasts classroom commentary_request girls_und_panzer greyscale highres large_breasts long_hair monochrome multiple_girls navel ooarai_school_uniform open_mouth perky_breasts school_uniform sekai_saisoku_no_panda serafuku sitting skirt solo_focus takebe_saori thighhighs zettai_ryouiki|12185256681