Rule 34 Dev - 2018 abs anthro areola arms_back arms_tied ass biped black_fur black_tail blue_markings bound brown_penis butt_markings clenched_teeth closed_eyes erection facial_markings facial_piercing fangs fist frenulum frown fur glans grey_fur half-length_portrait halter haplorhine head_markings hi_res humanoid_penis lips male male_only mammal mandrill markings monkey muscular muscular_male muscular_thighs narram nipples nose_piercing nose_ring nude old_world_monkey pecs penis piercing pink_areola pink_glans pink_nipples portrait prick_ears primate pubes reclining red_lips red_nose restrained septum_piercing shackles shadow side_view sitting snout solo tan_skin teeth uncut vein veiny_penis|3785907416