rule 34 animal genitalia anus ass backsack balls blonde hair blue body blue wings claws digital media artwork dragon ear frill feral folded wings frill anatomy fully sheathed genitals grey horn hair hi res horn looking at viewer looking back looking back at viewer male membrane anatomy membranous frill membranous wings multicolored hair presenting presenting anus presenting balls presenting hindquarters rear view rmmlusitania rmmlusitania character sheath simple background solo standing tail white balls white body white hair white sheath wings yellow eyes 8504290