Rule 34 Dev - 2boys akaza_(kimetsu_no_yaiba) blue_sclera blush demon_boy demon_slayer erection facial_markings fangs gay kimetsu_no_yaiba licking_penis male male_only oral penis rengoku_kyoujurou smile teachicken2 tongue_out uncensored veiny_penis visible_breath yaoi yellow_eyes|5558930256