Rule 34 Dev - anal anal_sex anthro balls barefoot black_hair bottomless boxer_briefs bran clothed clothing digital_media_(artwork) erection fur green_eyes hair haplorhine hi_res humanoid_penis male male_only mammal mitarashi monkey monkey_boy monkey_feet penetration penis prehensile_feet primate restrained shirt solo spider_monkey spreading tentacle tentacle_sex tentaclejob underwear underwear_around_one_leg|2864023832