Rule 34 Dev - 1girl armpit_crease bare_shoulders blue_eyes blunt_bangs blush braid breasts cleavage diamond_cutout eyelashes fangs grey_background half-closed_eyes highres light_purple_hair long_hair nanakusa_nazuna_(yofukashi_no_uta) purple_hair simple_background smile solo syu45 twitter_username upper_body vampire yofukashi_no_uta|16276225797