Rule 34 Dev - 2013 2boys anal anal_sex anthro anus azriel castrated castration claws closed_eyes dragon draki ear_piercing erection eunuch feathers group hair horn huge_penis knot male male_on_male multiple_boys navel neuter neutered nude open_mouth penetration penis piercing precum purple_hair reptile scalie sex size_difference sky skyshadow skyshadow_(artist) stripes teeth threesome toes tongue tongue_out uncut white_skin wings wyvern yaoi|1424522040