Rule 34 Dev - 1girl artist_name black_cape black_dress breasts cape cleavage cleavage_cutout clothing_cutout cropped_torso dress highres hololive hololive_english instrument kazoo mori_calliope music pink_hair playing_instrument smile solo spikes sunglasses tiara tinted_eyewear upper_body veil virtual_youtuber vyolfers white_background|13234392639