Rule 34 Dev - 10s 1girl bad_id bad_pixiv_id belt blue_hair brown_eyes crop_top female_focus idol idolmaster idolmaster_(classic) idolmaster_cinderella_girls kisaragi_chihaya microphone midriff music navel open_mouth shiratama_(hockey) shirt singing single_thighhigh sleeveless sleeveless_shirt smile solo thighhighs wireless wrist_cuffs|5779495449