Rule 34 Dev - 1girl 3girls absurdres armpits arms_up bikini blindfold breasts brown_hair cellphone cellphone_photo hair_bun highres idolmaster idolmaster_shiny_colors large_areolae large_breasts multiple_girls navel nipples open_mouth phone pool purumetal smartphone sonoda_chiyoko sweat swimsuit teeth tongue upper_teeth_only|18304522119