anthro anus butt camel_toe clothed clothing female genital_outline looking_at_viewer looking_back looking_back_at_viewer panties panties_down partially_clothed presenting presenting_anus presenting_hindquarters pussy_outline smile solo sonic_the_hedgehog_(series) spread_butt spreading stable_diffusion underwear underwear_down upskirt amy_rose eulipotyphlan hedgehog humanoid mammal hi_res