Rule 34 Dev - bear blush blush_lines canid canine cephalopod coleoid denizen1414 genitals group humanoid_genitalia humanoid_penis male_only mammal marine mollusk octopodiform octopus penetration penis polar_bear simple_background stretched_urethra tentacle_penetration tentacles trio urethral urethral_bulge urethral_penetration ursine|8438343056