4girls antenna_hair bikini blue_bikini blue_hair blush breasts cleavage collarbone dark_blue_hair embarrassed full-face_blush heart holding holding_towel huge_breasts idolmaster idolmaster_million_live! kitazawa_shiho makabe_mizuki multiple_girls navel nonohara_akane polka_dot polka_dot_bikini solo_focus strapless strapless_bikini swimsuit t3_(t3only) tears towel toyokawa_fuka translation_request upper_body wavy_hair