Rule 34 Dev - 2010s 2015 2d 2d_(artwork) animated_skeleton artist_name bad_id bad_tumblr_id blue_background blue_theme blue_tongue bottom_sans chain chain_leash chains collar digital_media_(artwork) ectotongue inactive_account male monster noxiousaberration sans sans_(undertale) simple_background skeleton submissive submissive_male tongue tongue_out tumblr uke_sans undead undertale undertale_(series) upper_body video_game_character video_games|1025769

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