2019 4:3 anal anal_penetration anthro anthro_on_feral balls bestiality cum detailed_background digital_media_(artwork) dragon duo eyewear felid feline feral from_behind_position fur glasses grass grey_fur hi_res humanoid_penis knot lynx male male/male mammal mounting open_mouth penetration penis sex sonsasu spots spotted_fur synx_the_lynx teeth uncut