Rule 34 Dev - artist_name avatar_legends blush boner dialogue english_text erect_penis erection feet flustered hard_on jerking jerking_off jerkingoff locker_room mako male male_only manlyhand masturbating masturbation muscles muscular muscular_male nickelodeon penis pleasure_face pubic_hair smooth_skin solo_male speech_bubble spread_legs sweating teen_boy text the_legend_of_korra uncut|6895642104