Rule 34 Dev - 1girl bare_shoulders blood_drop bow choker earrings flower greyscale hair_over_one_eye highres holding holding_microphone idolmaster idolmaster_cinderella_girls jewelry kotori-nyoni microphone monochrome open_mouth photo_(object) red_petals shirasaka_koume short_hair skull_earrings solo spot_color wide_sleeves|23287547790