Rule 34 Dev - anthro briefs briefs_only clothed clothing duo erection_in_briefs erection_in_underwear hand_in_underwear lying male male/male monotone_briefs monotone_clothing monotone_underwear nipples one_eye_closed open_mouth open_smile smile teeth_showing tenting tighty_whities topless underwear underwear_only white_briefs white_clothing white_underwear leomagna canid canine felid lion mammal pantherine monochrome signature|22135557710