2015 alternate_universe ambiguous_gender animated_skeleton anthro aquatic bodily_fluids bone boss_monster_(undertale) bovid caprine clothing crying digital_media_(artwork) elemental_creature female fish flora_fauna flower flowey_the_flower flowey_the_flower_(underfell) fur group male mammal plant sad sans_(underfell) sans_(undertale) simple_background skeleton tears toriel toriel_(underfell) undead underfell undertale undertale_(series) undyne undyne_(underfell) unknown_artist white_background white_body white_fur
2015 alternate_universe animated_skeleton anthro aquatic asgore_(underfell) bone boss_monster_(undertale) bovid caprine chibimu clothing doctor_alphys_(underfell) english_text eyewear female fish fur glasses group happy horn male mammal mettaton_(underfell) mettaton_ex_(underfell) papyrus_(underfell) sans_(underfell) skeleton smile teeth text toriel_(underfell) undead underfell undertale undertale_(series) undyne_(underfell) white_body white_fur
2015 4:5 alternate_universe animal_humanoid aquatic aquatic_humanoid big_breasts breasts chibimu clothed clothing female fish fish_humanoid humanoid looking_at_viewer simple_background skimpy smile solo underfell undertale undertale_(series) undyne_(underfell) weapon white_background
1:1 2015 alternate_universe angry animal_humanoid aquatic aquatic_humanoid black_and_red black_background clothing duo female fish fish_humanoid front_view humanoid looking_at_viewer low_res monochrome schelebro simple_background sprite teeth underfell undertale undertale_(series) undyne_(underfell) weapon
2015 alternate_universe animal_humanoid aquatic aquatic_humanoid clothed clothing eye_patch eyewear female fish fish_humanoid hair hi_res humanoid long_hair midriff navel navel_piercing open_mouth piercing simple_background skimpy solo source_request teeth traditional_media_(artwork) underfell undertale undertale_(series) undyne_(underfell) unknown_artist
2015 alternate_universe anthro aquatic belt clothing darky-doo female fish hair hi_res long_hair looking_at_viewer solo teeth underfell undertale undertale_(series) undyne_(underfell) weapon
2015 alternate_universe ambiguous_gender anthro brown_hair clothed clothing dangling digital_media_(artwork) elemental_creature eye_patch eyewear female flora_fauna flowey_the_flower frisk_(undertale) group hair human kkhoppang mammal plant ponytail red_hair scar sharp_teeth signature size_difference teeth underfell undertale undertale_(series) undyne_(underfell)
alphys_(underfell) alternate_universe anthro duo eye_patch eyewear female female/female glasses hi_res kkhoppang lizard looking_at_viewer red_eyes reptile scalie underfell undertale undertale_(series) undyne_(underfell)
alphys alphys_(underfell) alternate_universe animal_humanoid anthro aquatic aquatic_humanoid bite blood blush bodily_fluids breasts clawing clothing digital_media_(artwork) eye_patch eyewear female female/female fish fish_humanoid genital_fluids genitals glasses group hair humanoid humanoid_on_anthro lizard nipples open_mouth red_hair reptile scalie sex slightly_chubby smile teeth text thebigmonstersucc tongue tongue_out underfell undertale undertale_(series) underwear undyne_(underfell) vaginal_fluids vulva
2016 5:4 alphys_(underfell) alternate_universe anthro aquatic duo female fish foxvulpine lizard reptile scalie underfell undertale undertale_(series) undyne_(underfell)
5_fingers abs alternate_universe anthro aquatic belt blue_body blue_scales bottomwear cel_shading clothing ear_fins eye_patch eyewear female fin fingers fish front_view gloves hair handwear hi_res holding_object holding_weapon long_hair looking_at_viewer melee_weapon midriff pants polearm red_eyes red_hair scales shaded sharp_teeth shirt sl4ughtermelon smile solo spear teeth topwear torn_clothing underfell undertale undertale_(series) undyne_(underfell) weapon yellow_sclera
alternate_universe animal_humanoid aquatic aquatic_humanoid blue_body blue_skin breasts clothing collar eye_patch eyewear female fish fish_humanoid gloves hair handwear humanoid jioxsae long_hair muscular muscular_female muscular_humanoid nipple_piercing nipples piercing red_hair solo underfell undertale undertale_(series) undyne undyne_(underfell) yellow_eyes
2017 abs alternate_universe animal_humanoid aquatic aquatic_humanoid armwear athletic biped black_armwear black_bottomwear black_clothing black_topwear blue_body bottomwear breasts cel_shading clothed clothing crop_top digital_media_(artwork) ear_frill elbow_gloves evil_grin female fish fish_humanoid flowing_hair frill_(anatomy) front_view gloves glowing glowing_eyes hair hair_over_eye handwear heart_symbol hi_res hocmak humanoid leather leather_bottomwear leather_clothing leather_pants legwear light lighting long_hair looking_down membrane_(anatomy) membranous_frill midriff muscular muscular_female navel one_eye_obstructed pants portrait red_background red_hair red_theme shaded sharp_teeth shirt simple_background small_breasts small_waist smile solo spikes spread_arms standing teeth three-quarter_portrait toothy_grin topwear torn_clothing underfell undertale undertale_(series) undyne undyne_(underfell)
2017 alternate_universe animal_humanoid aquatic aquatic_humanoid biped black_background black_clothing blue_body clothing digital_media_(artwork) digital_painting_(artwork) ear_frill evil_grin eyelashes female fish fish_humanoid frill_(anatomy) gesture gills hair hair_over_eye half-closed_eyes half-length_portrait hand_gesture hi_res hocmak humanoid humanoid_hands light lighting long_hair looking_down membrane_(anatomy) membranous_frill middle_finger narrowed_eyes one_eye_obstructed painting_(artwork) portrait pupils red_hair shadow simple_background slit_pupils smile solo underfell undertale undertale_(series) undyne undyne_(underfell) yellow_eyes yellow_sclera
2017 abstract_background alternate_universe animal_humanoid aquatic aquatic_humanoid blue_body blue_skin breasts clothed clothing eye_patch eyewear female fish fish_humanoid gloves grin hair handwear humanoid long_hair looking_at_viewer melee_weapon muscular muscular_female non-mammal_breasts polearm ponytail red_hair sem-l-grim smile solo spear standing underfell undertale undertale_(series) undyne undyne_(underfell) weapon yellow_eyes
2016 alphys_(underfell) alternate_universe anthro aquatic blue_body blue_skin breasts cleavage clothed clothing duo eye_patch eyewear fan_character female female/female fish glasses grin hair hi_res jacket kkhoppang long_hair non-mammal_breasts red_hair scar simple_background sitting smile sweater topwear underfell undertale undertale_(series) undyne_(underfell) yellow_body yellow_skin
2015 alternate_universe ambiguous_gender animal_humanoid animated_skeleton aquatic aquatic_humanoid backpack_(dora_the_explorer) bone clothing door dora_the_explorer english_text evanescence eye_patch eyewear female fish fish_humanoid footwear frisk_(undertale) group hi_res human humanoid humor mammal music open_mouth papyrus_(underfell) papyrus_(undertale) protagonist_(underfell) ricksancheeze shoes skeleton tem temmie_(underfell) temmie_(undertale) text undead underfell undertale undertale_(series) undyne undyne_(underfell) yelling
alphys alphys_(underfell) alternate_universe anthro aquatic areola belly big_belly big_breasts blue_body blue_scales boss_monster_(undertale) bovid breasts buckteeth caprine clothing coat curvy_figure deep_navel eyewear female fin fish fourssss fur genitals gills glasses goat grin group hair hand_on_breast head_fin hi_res huge_breasts lab_coat makeup mammal mascara mature_anthro mature_female mostly_nude muscular muscular_female navel nipples non-mammal_breasts nude open_mouth open_smile ponytail pubes red_hair reptile running_makeup running_mascara scales scalie scar sharp_teeth slightly_chubby slightly_chubby_female small_breasts smile spiral spiral_eyes tail teeth thick_tail thick_thighs tongue tongue_out topwear toriel toriel_(underfell) underfell undertale undertale_(series) undyne undyne_(underfell) voluptuous vulva white_body white_fur wide_hipped_female wide_hips yellow_body yellow_scales yellow_sclera
abs aimi_(sleepysushiroll) animal_humanoid anthro aquatic aquatic_humanoid bear big_breasts breasts clothed clothed/nude clothed_female clothing coat embarrassed female fish forced forced_exposure giant_panda gills grope group hand_on_butt hand_on_shoulder hi_res humanoid humiliation kabrro lab_coat male male/female mammal monochrome nude surrounded teasing thick_thighs topwear undertale undertale_(series) undyne undyne_(swapfell) undyne_(underfell) undyne_(underswap)
alphys anthro blue_body blue_eyes blue_scales blush bodily_fluids bottomwear broken_heart buckteeth clothed clothing coat comic denim denim_bottomwear denim_clothing dialogue ear_piercing ear_ring english_text eye_patch eyewear female fight fin fully_clothed glasses gloves gradient_background grin group hair handwear hard_translated head_fin hi_res hiding_behind_another japanese_text jeans kotatsu_fanart lab_coat lizard midriff muscular muscular_anthro muscular_female navel pants piercing ponytail profanity protecting punch red_hair reptile ring_piercing scales scalie scared sharp_teeth shirt simple_background smile speech_bubble sweat tank_top teeth text text_background third-party_edit thought_bubble topwear torn_clothing torn_fin torn_shirt torn_sleeves torn_topwear translated undertale undertale_(series) undyne undyne_(underfell) yellow_body yellow_scales yellow_sclera yellow_teeth
4:5 all_fours alphys alphys_(underfell) alternate_universe anthro anthro_on_anthro aquatic belt big_breasts blush bodily_fluids bottomwear breasts buckteeth butt claws clothed clothing coat denim denim_bottomwear denim_clothing eye_patch eyes_closed eyes_mostly_closed eyewear female female/female fin fish flying_sweatdrops glasses group hair head_fin head_on_chest heart_background heart_symbol hearts_around_body hearts_around_head hug japanese_text jeans kotatsu_fanart lab_coat lifting_another lifting_partner lipstick lizard looking_at_viewer lying makeup narrowed_eyes nervous off_shoulder on_side open_mouth open_smile overbite pants partially_clothed ponytail reptile ripped_sleeves romantic romantic_couple scales scalie shirt simple_background skirt smile sweat sweatdrop sweater tail tank_top teeth text text_box thick_tail thick_thighs topwear torn_clothing torn_shirt torn_sleeves torn_topwear translation_request underfell undertale undertale_(series) undyne undyne_(underfell) wavy_mouth yellow_body yellow_scales
alternate_universe alternative_fashion animal_humanoid aquatic aquatic_humanoid blue_body blue_skin clothing ear_piercing ear_ring female fin fish fish_humanoid hair hair_over_eye hi_res hocmak humanoid looking_at_viewer one_eye_obstructed piercing punk red_hair ring_piercing sharp_teeth smile solo teeth topwear underfell undertale undertale_(series) undyne undyne_(underfell) yellow_sclera yellow_teeth
5_fingers alternate_universe animal_humanoid aquatic aquatic_humanoid armwear athletic athletic_gynomorph athletic_intersex balls big_penis black_eyebrows blue_balls blue_body blue_glans blue_nipples blue_penis breasts clothing crossgender darkened_genitalia darkened_glans darkened_nipples darkened_penis erection eyebrows eyewear fingers fish fish_humanoid ftg_crossgender fti_crossgender genitals glans gloves group gynomorph hair half-closed_eyes hand_on_penis handwear humanoid humanoid_genitalia humanoid_penis intersex looking_at_viewer muscular muscular_gynomorph muscular_intersex nariikhan narrowed_eyes navel nipples nude nude_gynomorph nude_intersex penis red_eyes red_hair simple_background standing swapfell teeth underfell underswap undertale undertale_(series) undyne undyne_(swapfell) undyne_(underfell) undyne_(underswap)
5_fingers alternate_universe animal_humanoid anthro aquatic aquatic_humanoid armwear athletic athletic_anthro athletic_gynomorph athletic_intersex balls big_penis black_eyebrows blue_balls blue_body blue_glans blue_nipples blue_penis bodily_fluids breasts clothing crossgender cum cum_on_balls cum_on_breasts cum_on_hand cum_on_handwear cum_on_leg cum_on_self cum_on_viewer cumshot darkened_genitalia darkened_glans darkened_nipples darkened_penis ejaculation erection eyebrows eyewear fingers fish fish_humanoid ftg_crossgender fti_crossgender genital_fluids genitals glans gloves group gynomorph hair half-closed_eyes hand_on_penis handwear humanoid humanoid_genitalia humanoid_penis intersex leaking_cum looking_at_viewer masturbation muscular muscular_anthro muscular_gynomorph muscular_intersex nariikhan narrowed_eyes navel nipples nude nude_anthro nude_gynomorph nude_intersex penile penile_masturbation penis red_eyes red_hair simple_background standing swapfell teeth underfell underswap undertale undertale_(series) undyne undyne_(swapfell) undyne_(underfell) undyne_(underswap)
5_fingers alternate_universe animal_humanoid anthro aquatic aquatic_humanoid athletic athletic_anthro athletic_gynomorph athletic_intersex balls big_penis black_eyebrows blue_balls blue_body blue_glans blue_penis bottomless bottomless_anthro bottomless_gynomorph bottomless_intersex breasts clothed clothing coat crossgender darkened_genitalia darkened_glans darkened_penis erection eyebrows eyewear fingers fish fish_humanoid ftg_crossgender fti_crossgender genitals glans gloves group gynomorph hair half-closed_eyes handwear humanoid humanoid_genitalia humanoid_penis intersex lab_coat looking_at_viewer masturbation nariikhan narrowed_eyes navel partially_clothed penile penile_masturbation penis red_eyes red_hair shirt simple_background standing swapfell tank_top teeth topwear underfell underswap undertale undertale_(series) undyne undyne_(swapfell) undyne_(underfell) undyne_(underswap)
alternate_universe animal_humanoid anthro aquatic aquatic_humanoid athletic athletic_anthro athletic_gynomorph athletic_intersex balls blue_balls blue_glans blue_penis bodily_fluids bottomless bottomless_anthro bottomless_gynomorph bottomless_intersex breasts clothed clothing coat crossgender cum cum_on_balls cum_on_breasts cum_on_clothing cum_on_hand cum_on_penis cumming_at_viewer cumshot darkened_genitalia darkened_glans darkened_penis ejaculation erection eyewear fish fish_humanoid ftg_crossgender fti_crossgender genital_fluids genitals glans glasses gloves group gynomorph hair handwear humanoid humanoid_genitalia humanoid_penis intersex lab_coat looking_at_viewer masturbation nariikhan partially_clothed penile penile_masturbation penis red_hair shirt standing swapfell tank_top teeth topwear underfell underswap undertale undertale_(series) undyne undyne_(swapfell) undyne_(underfell) undyne_(underswap)
1:1 5_fingers 5_toes absurd_res aimi_(sleepysushiroll) alternate_universe anal anal_penetration anthro aquatic ball_grab ball_size_difference balls bear blue_balls blue_body blue_glans blue_penis blush breasts crossgender darkened_genitalia darkened_glans darkened_nipples darkened_penis dominant dominant_intersex double_anal double_penetration erection eye_patch eyewear feet fellatio fingers fish fivesome ftg_crossgender fti_crossgender gangbang genitals giant_panda gills glans glasses grey_hair group group_sex gynomorph hair handjob hi_res humanoid_genitalia humanoid_penis intersex intersex/male male mammal monster nariikhan neck_gills nipples non-mammal_balls non-mammal_nipples nude nude_anthro nude_gynomorph nude_intersex nude_male oral penetration penile penis penis_grab penis_size_difference pink_glans red_gills red_hair sex sharp_teeth size_difference smile spread_legs spreading submissive submissive_male teeth toes undertale undertale_(series) undyne undyne_(swapfell) undyne_(underfell) undyne_(underswap) waist_gills white_balls white_penis
1:1 5_fingers 5_toes absurd_res aimi_(sleepysushiroll) alternate_universe anal anal_penetration anthro aquatic ball_grab ball_size_difference balls bear blue_balls blue_body blue_glans blue_penis blush bodily_fluids breasts crossgender cum cum_covered cum_everywhere cum_in_ass cum_in_hair cum_in_mouth cum_inflation cum_inside cum_on_balls cum_on_breasts cum_on_face cum_on_penis darkened_genitalia darkened_glans darkened_nipples darkened_penis dominant dominant_intersex double_anal double_penetration erection eye_patch eyewear feet fellatio fingers fish fivesome ftg_crossgender fti_crossgender gangbang genital_fluids genitals giant_panda gills glans glasses grey_hair group group_sex gynomorph gynomorph/male gynomorph_penetrating gynomorph_penetrating_male hair handjob hi_res humanoid_genitalia humanoid_penis inflation intersex intersex/male intersex_penetrating intersex_penetrating_male male male_penetrated mammal messy monster nariikhan neck_gills nipples non-mammal_balls non-mammal_nipples nude nude_anthro nude_gynomorph nude_intersex nude_male oral penetration penile penis penis_grab penis_size_difference pink_glans red_gills red_hair sex sharp_teeth size_difference smile spread_legs spreading submissive submissive_male teeth toes undertale undertale_(series) undyne undyne_(swapfell) undyne_(underfell) undyne_(underswap) waist_gills white_balls white_penis
abs absurd_res alternate_universe anarchy_puppet anthro aquatic eye_patch eyewear female fish hair hi_res humanoid long_hair melee_weapon polearm scar solo spear underfell undertale_(series) undyne_(underfell) weapon
abs absurd_res alternate_universe anarchy_puppet anthro aquatic big_breasts blush breasts eye_patch eyewear female fish hair hi_res humanoid long_hair nipple_piercing nipples piercing red_hair scar shy solo speech_bubble underfell undertale_(series) undyne_(underfell)
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