Rule 34 Dev - abs anthro balls duo erection foreskin genitals heart_symbol humanoid_genitalia humanoid_penis male male/male muscular muscular_anthro muscular_male nipples oral pecs penis vein veiny_penis utx-shapeshifter dj_(djdarkfox) utx canid canine canis fox mammal wolf 2015 absurd_res black_and_white hi_res monochrome|20066503555