abs aestas anal anal_penetration anthro arms_behind_head back balls bdsm bed biceps black_scales bondage bound brown_eyes brown_fur butt canine claws clenched_teeth couple cowgirl_position dan_(aestas) dragon duo erection fangs feathers fur gay hair holding horn internal interspecies knot leobo lying male mammal muscles nude on_back on_top open_mouth orange_fur orange_hair orange_scales pecs penetration penis power_bottom purple_eyes purple_penis red_fur red_scales rope scales scalie sex spread_legs spreading straddling sulfer sulferdragon teeth toned tongue white_fur wings wolf