Rule 34 Dev - 1girl archway_of_venus ass_visible_through_thighs ball beachball bikini blush bracelet brown_hair collarbone female flat_chest gradient gradient_background green_eyes hat highres idolmaster idolmaster_cinderella_girls jewelry kanabun legs loli looking_at_viewer midriff navel open_mouth pink_background sitting smile solo spread_legs swimsuit teeth tongue upper_teeth upper_teeth_only white_bikini white_border white_hat yokoyama_chika|4401240051