Rule 34 Dev - 1girl bath bathing blonde_hair blue_eyes blush breasts cleavage collarbone hair_bun highres idolmaster idolmaster_cinderella_girls large_breasts looking_at_viewer naked_towel ohtsuki_yui onsen open_mouth partially_submerged rock saba_suzuki single_hair_bun solo towel wavy_hair wet|20573762742