Rule 34 Dev - 1girl bikini breasts brown_eyes brown_hair close-up hair_ornament hairclip highres idolmaster idolmaster_million_live! kasuga_mirai kuro_kinkan large_forehead looking_at_viewer medium_breasts navel open_mouth pink_background short_hair side_ponytail simple_background smile solo striped_bikini striped_clothes swimsuit|14141369970