Rule 34 Dev - 2016 absurd_res anus balls cave dragon erection feral front_view green_scales hi_res knot licking licking_lips looking_at_viewer lunalei lying male male_only membranous_wings naughty_face on_back penis presenting reptile rock scales scalie seductive silicas solo spread_legs spreading tongue tongue_out wings wyvern yellow_balls|2586370776