1girl bikini bikini_top_only bikini_under_clothes blush breasts bubble_blowing chewing_gum cleavage collarbone facial_mark grey_jacket hair_rings highres hood hood_up hooded_jacket idolmaster idolmaster_million_live! jacket jewelry julia_(idolmaster) karua_(karua23) long_sleeves medium_breasts navel necklace open_clothes open_jacket partially_unzipped pink_bikini red_hair short_hair solo star_(symbol) star_necklace swimsuit