Rule 34 Dev - 1boy 2d 2d_(artwork) animated_skeleton artist_name blue_blush blue_tentacles blush bottom_sans bound bound_arms completely_nude completely_nude_male digital_media_(artwork) drooling male male_focus male_only malesub monochrome monster nude nude_male one_eye_closed partially_colored restrained sans sans_(undertale) simple_background singingsans skeleton solo_male submissive submissive_male tentacle tentacle_around_arm tentacle_around_arms tentacle_around_leg tentacle_on_male tentacle_sex tentacles tentacles_on_male third-party_source uke_sans undead undertale undertale_(series) video_game_character video_games|1032736

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