Rule 34 Dev - alexei_zoloto anthro balls bear big_balls big_penis blush booboo34 brown_bear canid canine canis dave_volkov erection fur furry gay humanoid_genitalia humanoid_penis male male/male male_nipples male_only mammal muscular_anthro muscular_male nipples nude penis precum precum_drip size_difference sweat sweating wolf|11404537448