1girl absurdres ame_(uten_cancel) bad_id bad_pixiv_id bikini blush breasts brown_eyes brown_hair cleavage hair_tucking highres idolmaster idolmaster_cinderella_girls large_breasts navel oikawa_shizuku open_mouth photoshop_(medium) shiny_skin short_hair side-tie_bikini_bottom simple_background skindentation smile solo striped striped_bikini swimsuit white_background