Rule 34 Dev - 1:1 bear blush blush_lines canid canine cephalopod coleoid denizen1414 genitals group hi_res humanoid_genitalia humanoid_penis male_only mammal marine mollusk octopodiform octopus penetration penis polar_bear simple_background stretched_urethra trio urethral urethral_bulge urethral_penetration ursine|8516928096