Rule 34 Dev - 1girl black_hair blue_bow blue_bowtie bow bowtie collar demon_horns dr_yamero ear_piercing fake_horns green_jacket highres horns idolmaster idolmaster_shiny_colors jacket long_hair messy_hair open_mouth piercing purple_eyes shirt sidelocks solo spiked_collar spikes tanaka_mamimi twintails white_shirt|25073895015