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glitch glowing glowing_eyes hi_res holding_object huge_penis human humanoid knife machine male mammal mettaton mettaton_neo penetration penis rape robot robot_humanoid soul sweat text thewill under(her)tail undertale undertale_(series) video_games 1boy absurdres android black_background black_hair colored_sclera colored_skin eyelashes eyepatch grey_skin heart highres looking_at_viewer male_focus mettaton mettaton_neo red_eyes solo spiked_hair undertale upper_body yellow_sclera yokaze_(xxxdisxxx) alphys annoying_dog aqua_background asgore_dreemurr asriel_dreemurr chara_(undertale) dog everyone eyepatch flowey_(undertale) frisk_(undertale) ghost glasses grillby headphones mettaton mettaton_ex mettaton_neo monster monster_boy monster_girl muffet napstablook open_mouth papyrus photoshop_flowey robot shirt simple_background smile standing teeth tenya_mizuki undertale undyne undyne_the_undying white_shirt 1:1 alternate_universe breast_squish breasts crossgender female glowing glowing_eyes hair hi_res humanoid looking_at_viewer machine mettaton_neo penetrable_sex_toy robot sex_toy short_hair smile smirk solo spotlight squish text thewill under(her)tail undertale video_games <3 absolutely_everyone alligator alphys animated_skeleton annoying_dog_(undertale) arachnid arthropod asgore_dreemurr asriel_dreemurr asriel_dreemurr_(god_form) axe beard bone boss_monster bratty_(undertale) burgerpants canine caprine cat catty_(undertale) chara_(undertale) crocodilian delta_rune dog dogamy dogaressa doggo english_text eye_patch eyewear facial_hair feline fish flora_fauna flowey_the_flower gerson ghost glasses greater_dog group hood horn human lacardozarojas lagomorph lesser_dog lizard machine mammal marine melee_weapon mettaton mettaton_ex mettaton_neo model_sheet monster_kid muffet napstablook nicecream_man papyrus_(undertale) photoshop_flowey plant polearm protagonist_(undertale) rabbit rabbit_shopkeeper reptile river_person_(undertale) robot sans_(undertale) scalie skeleton spider spirit sword temmie_(undertale) text toriel turtle undead undertale undyne undyne_the_undying video_games weapon <3 armless black_hair clothed clothing digital_media_(artwork) duo english_text girly hair humanoid lying machine male male/male mettaton mettaton_ex mettaton_neo not_furry on_back open_mouth purple_background robot selfcest simple_background speech_bubble square_crossover standing text undertale unknown_artist video_games absurd_res amazing arm_canon hi_res looking_at_viewer machine male mettaton mettaton_neo robot smile solo undertale video_games walkingmelonsaaa <3 arm_cannon armor machine metal mettaton mettaton_neo robot solo undertale vesssel video_games wings biting_lip black_hair blue_background english_text eyes_closed eyeshadow frown green_background grin hair machine makeup male mettaton mettaton_neo open_mouth orange_background purple_background purple_hair red_background robot satsuki-udon simple_background solo sweat sweatdrop text tongue tongue_out undertale video_games yellow_background android boots character_name character_sheet cousins crying directional_arrow dual_persona english ghost gloves hair_over_one_eye hand_on_hip hat headphones heart high_heel_boots high_heels highres lips male_focus md5_mismatch mettaton mettaton_ex mettaton_neo monochrome multiple_boys napstablook no_humans parted_lips polaris_(polarissketches) robot sepia spoilers standing tears top_hat undertale watermark web_address blush boss_monster crossgender girly hair machine mettaton mettaton_neo robot selfcest sex_toy square_crossover undertale vibrator video_games :3 :d android black_background brown_eyes chibi eyelashes fang gyate_gyate hair_over_one_eye looking_at_viewer lowered_eyelids lowres male_focus mettaton mettaton_neo open_mouth parted_lips purple_hair robot smile solo spoilers undertale upper_body yaruky <3 2016 ;p alphys amalgamate android animated_skeleton anthro armor asgore_dreemurr asriel_dreemurr beverage blaster blue_skin bone boss_monster cape caprine clothing coffin crown deity dinosaur endogeny evil_grin eye_patch eyewear female fire fish flowey_the_flower food footwear gaster_blaster gills glasses goat group hair hoodie hot_dog human humanoid knife lemon_bread lizard long_hair looking_at_viewer lynxgriffin machine magic_user male mammal marine melee_weapon memoryhead mettaton mettaton_neo monster phone photoshop_flowey pie polearm ponytail protagonist_(undertale) reaper_bird reptile robes robot royalty sans_(undertale) scalie shoes silhouette simple_background skeleton smile snowdrake's_mother soul spear tea tea_cup television toriel undead undertale undyne undyne_the_undying video_games weapon white_background wings yellow_eyes young <3 armless black_hair boss_monster clothed clothing digital_media_(artwork) duo english_text girly hair humanoid low_res machine male male/male mettaton mettaton_neo not_furry open_mouth purple_background robot selfcest simple_background square_crossover text undertale unknown_artist video_games android arm_cannon black_hair cowboy_shot fayren glowing glowing_eye grey_skin grin hand_on_hip heart heart-shaped_pupils highres male_focus mettaton mettaton_neo pink_background purple_eyes smile solo spoilers symbol-shaped_pupils teeth undertale weapon breasts crossgender female hair humanoid machine male mettaton mettaton_neo papyrus_(undertale) robot source_request undertale unknown_artist video_games <3 2016 balls blush digital_media_(artwork) duo english_text fan_character gay-albino-robot girly hair humanoid machine male male/male mettafell mettaton mettaton_neo multi_arm multi_eye multi_limb multiple_gentitals not_furry penis robot selfcest sex sharp_teeth simple_background smile square_crossover teeth text underfell undertale video_games white_background 2016 digital_media_(artwork) duo girly hair humanoid machine male male/male mettaton mettaton_neo not_furry robot selfcest simple_background square_crossover undertale video_games 2016 digital_media_(artwork) duo girly hair humanoid machine male male/male mettaton mettaton_neo not_furry robot selfcest simple_background square_crossover undertale video_games 2016 digital_media_(artwork) fellatio girly hair hotlegmeme human humanoid machine male male/male mammal mettaton mettaton_neo not_furry oral penis robot selfcest sex simple_background square_crossover tongue undertale video_games android black_hair face glowing glowing_eye grey_skin grin male_focus mettaton_neo protected_link purple_eyes redlhzz smile solo spoilers teeth undertale androgynous android black_hair glowing glowing_eye grey_skin heart mettaton mettaton_neo mist_e10 red_eyes undertale weapon <3 armless better_version_at_source black_hair boss_monster clothed clothing digital_media_(artwork) duo english_text girly hair humanoid machine male male/male mettaton mettaton_neo not_furry open_mouth robot selfcest simple_background square_crossover text undertale unknown_artist video_games blush breasts crossgender female hair hi_res hotlegmeme machine male male/female mettaton mettaton_neo pussy robot sex simple_background undertale video_games <3 blush boss_monster clothed clothing digital_media_(artwork) duo girly hair hotlegmeme humanoid machine male male/male mettaton mettaton_neo not_furry robot selfcest sex simple_background smile square_crossover undertale video_games android arm_cannon artist_name bad_id bad_tumblr_id bodysuit breath clenched_hand closed_eyes comic crack creature crying dripping dying english from_side g0966 greyscale grin head_out_of_frame highres labcoat laughing melting mettaton_neo monochrome monster_girl motion_lines open_mouth ponytail robot_joints shading_eyes sharp_teeth smile smoke spoilers spot_color talking tears teeth text_focus trembling undertale undyne undyne_the_undying upper_body weapon 2016 clothed clothing digital_media_(artwork) edgy gay-albino-robot girly hair hi_res humanoid humor long_hair machine male mettafell mettaton mettaton_neo monster not_furry open_mouth robot simple_background text tongue underfell undertale video_games white_background 6+boys alphys alternate_form androgynous android animal_ears annoying_dog armor asgore_dreemurr asriel_dreemurr blue_eyes blue_jacket blue_shirt blue_shorts boots bow breasts brown_footwear brown_hair brown_shorts cellphone chara_(undertale) cigar closed_eyes crazy_eyes crazy_smile cup doggo doggo_(undertale) dress endogeny evil_eyes evil_smile extra_eyes facing_away fangs flower flowey_(undertale) food freeze-ex frisk_(undertale) gasterblaster glasses glowing glowing_eye goat_ears green_shirt grin hand_up headphones heart horns iphone jacket labcoat large_breasts light light_particles looking_to_the_side mad_dummy_(undertale) mettaton_neo monster monster_kid_(undertale) mouth_hold muffet multiple_arms multiple_boys multiple_girls napstablook papyrus_(undertale) pen_in_pocket phone photoshop_flowey pie pink_shirt pink_skirt plate puffy_short_sleeves puffy_sleeves red_eyes red_hair reverse_grip sans scarf serious shirt short_hair short_sleeves shorts skirt smartphone smile spoilers striped striped_shirt tabard teacup teapot temmie thighhighs toriel undertale undyne undyne_the_undying white_dress wolf_ears ambiguous_gender clothed clothing digital_media_(artwork) humanoid machine mettaton mettaton_neo monster not_furry robot simple_background underfell undertale video_games <3 ambiguous_gender clothed clothing digital_media_(artwork) humanoid machine mettaton mettaton_neo monster not_furry robot simple_background underfell undertale video_games ambiguous_gender armor basketball black_hair bone boss_monster box brothers caprine cardboard_box chara_(undertale) clothed clothing cloudy-eevee demon female fish fur gloves goat group hair hat human knife machine male mammal marine melee_weapon mettaton mettaton_neo money papyrus_(undertale) polearm praying prison protagonist_(undertale) red_hair robot sans_(undertale) sibling skeleton spear striped_shirt tears toriel undertale undyne undyne_the_undying video_games weapon white_fur <3 2016 black_hair blush digital_media_(artwork) erection gay-albino-robot glowing glowing_eyes group hair hi_res humanoid humanoid_penis machine male male/male mettaton mettaton_neo monster nipples not_furry nude open_mouth penis robot selfcest sex simple_background smile square_crossover teeth tongue tongue_out underfell undertale video_games clothed clothing digital_media_(artwork) duo girly glowing hair humanoid long_hair machine male male/male mettaton mettaton_neo not_furry open_mouth robot selfcest simple_background square_crossover tongue undertale video_games animated_skeleton blush bone clothed clothing digital_media_(artwork) duo hair hotlegmeme machine male male/male mettaton_neo monster not_furry robot sans_(undertale) simple_background skeleton smile undead undertale video_games <3 animated_skeleton black_hair bone clothed clothing crossdressing crossgender cuntboy cuntboy/male digital_media_(artwork) duo girly hair hi_res hotlegmeme humanoid intersex intersex/male machine male mettaton mettaton_neo monster not_furry papyrus_(undertale) pussy robot simple_background skeleton teeth tongue undead undertale video_games <3 anal anal_penetration android balls black_hair clothed clothing digital_media_(artwork) duo erection feet hair hi_res human humanoid looking_at_viewer machine male male/male mammal mettaton mettaton_neo monster not_furry penetration penis robot sex sex_toy smile undertale video_games <3 2015 anal anal_penetration animated_skeleton balls black_hair blush bone clothing cum cum_in_ass cum_inside digital_media_(artwork) girly group hair hotlegmeme humanoid legwear machine male male/male mettaton mettaton_neo monster not_furry open_mouth papyrus_(undertale) penetration penis robot selfcest sex skeleton square_crossover undead undertale video_games <3 android blush clothed clothing digital_media_(artwork) duo girly hair hotlegmeme humanoid machine male male/male mettaton mettaton_neo not_furry robot selfcest simple_background square_crossover undertale video_games <3 armor cannon female fish g0966 machine male marine melee_weapon mettaton mettaton_neo monochrome monster polearm ranged_weapon robot simple_background spear undertale undyne undyne_the_undying video_games weapon white_background