Rule 34 Dev - anal anal_sex anthro anus balls bed blush butt_squish canine cerb0980 cowgirl_position cute_fangs duo erection eyewear furry genital_focus glasses headgear holding_butt looking_back male mammal mostly_nude mottled_penis nude on_bed on_top penetration penis saint_bernard sex tongue tongue_out vein veiny_penis weber yaoi|2493452056