Rule 34 Dev - bare_shoulders big_breasts bikini blush breasts brown_eyes brown_hair cleavage collarbone female highres idolmaster idolmaster_shiny_colors large_breasts long_hair looking_at_viewer microphone navel nekoshoko open_mouth purple_bikini purple_eyes purple_panties singing smile solo sweat sweatdrop sweating sweats swept_bangs swimsuit thighs tsukioka_kogane|10299121600