Rule 34 Dev - all_fours anthro anus balls big_balls big_penis butt erection feet foreskin fur genitals grey_body grey_fur hair humanoid_genitalia humanoid_penis male mostly_nude nude pawpads penis presenting presenting_hindquarters raised_tail scarf scarf_only solo tail white_hair dreiker baku_(baku_the_citra) citra mammal hi_res|21350752955