Rule 34 Dev - 2016 anal anal_sex ancient-onyx backsack blue_eyes blue_fur blushing canyon clouds flying fox furry green_eyes grimace hedgehog interspecies larger_male male male_only mammal miles_tails_prower motion_blur one_eye_closed sky smaller_male smile sonic_(series) sonic_the_hedgehog sweat thick_penis yaoi yellow_fur|2747762008