Rule 34 Dev - 1boy 2018 ambiguous_gender anal anal_sex anthro ass_up avian back_wings beak bird canine closed_eyes collar cum cum_in_ass cum_inside duo feral feral_on_anthro fur furry grey_fur gryphon interspecies knot lying male male_penetrating mammal nude on_back on_front penetration penis raised_tail sex sketch sofa text tuke watermark wings zoophilia|3390574736