FURVERT!

2014 2d_animation abs alpha_channel anal anal_penetration animated animated_gif anthro armpit_hair balls bear biceps body_hair brown_body brown_fur butt coiling erection eyes_closed frame_by_frame fur genitals grimace hands_behind_head humanoid_genitalia humanoid_penis makuro male mammal muscular muscular_anthro muscular_male nipples nude penetration penis restrained restrained_by_tentacles short_playtime simple_background solo spread_legs spreading teeth tentacle_in_ass tentacle_penetration tentacles third-party_edit transparent_background vein