Copyright: under(her)tail

Under(her)tail is comic series based on the characters of undertale, created by thewill. In this universe, all the monsters in the underground are females, craving for a male "soul". It is up to the protagonist, frisky_(under(her)tail) , to have sex with most of the monster life and see what lies deep between the wet crevices of the mountain.

The following tags are aliased to this tag: under_her_tail, underhertail (learn more).

This tag implicates alternate_universe (learn more).

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absurd_res alternate_universe anthro anus armless big_butt big_pussy blush bodily_fluids butt dialogue digital_media_(artwork) female female_anthro genitals glistening_eyelids hi_res kitty_(under(her)tail) monster_kid motion_lines musk musk_clouds open_mouth plump_labia portrait puffy_anus pussy raised_leg reptile scalie scrambledeve simple_background solo sweat tail teeth text thick_thighs under(her)tail undertale undertale_(series)
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1:1 absurd_res alternate_universe anthro boss_monster_(undertale) bovid butt caprine clothing digital_media_(artwork) female fur genitals goat hair hi_res horn jonathefur20 mammal mature_anthro mature_female pussy simple_background solo tail thewill toriel tutori under(her)tail undertale undertale_(series) white_body white_fur
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16:9 3d_(artwork) 3d_animation alternate_universe ambiguous_penetration animal_genitalia animal_penis animated anthro areola armor autotitfuck balls big_balls big_breasts big_butt big_penis bodily_fluids boss_monster_(undertale) bouncing_breasts bouncing_penis bovid breast_play breasts butt butt_slap caprine countersfm crossgender crossover cum cum_inside cum_while_penetrated cumshot digital_media_(artwork) doggystyle duo ejaculation equine_genitalia equine_penis from_behind_position ftg_crossgender fti_crossgender fused_shadow genital_fluids genitals goat green_areola green_nipples gynomorph gynomorph/gynomorph gynomorph/herm gynomorph_penetrated gynomorph_penetrating gynomorph_penetrating_gynomorph gynomorph_penetrating_intersex hair headgear helmet herm high_framerate horn huge_breasts huge_butt huge_penis humanoid imp intersex intersex/intersex intersex_penetrated intersex_penetrating intersex_penetrating_gynomorph intersex_penetrating_intersex larger_anthro larger_gynomorph larger_intersex mammal markings masturbation midna multicolored_body nintendo nipples no_sound nude on_bottom on_top orange_hair penetration penile penile_masturbation penis pink_areola pink_nipples red_eyes reverse_cowgirl_position sex short_playtime size_difference slap smaller_gynomorph smaller_humanoid smaller_intersex the_legend_of_zelda tongue tongue_out toriel tutori twili twilight_princess two_tone_body under(her)tail undertale_(series) webm white_body white_hair widescreen yellow_sclera
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3_toes 3d_(artwork) 3d_animation after_sex ahegao all_fours alternate_universe animated anthro anthro_penetrated apron apron_only audible_ejaculation audible_throbbing ball_slap balls balls_deep barefoot belly big_belly big_breasts big_butt big_nipples bodily_fluids body_part_in_pussy boss_monster_(undertale) bouncing_balls bouncing_breasts bouncing_butt bovid breasts butt caprine clothing crossover cum cum_everywhere cum_from_pussy cum_in_pussy cum_inflation cum_inside cum_pool cum_pooling digital_media_(artwork) duo erection excessive_cum excessive_genital_fluids fast_sex feet female female_penetrated from_front_position fucked_silly fully_inside_grinding genital_fluids genitals goat hi_res huge_butt huge_filesize humanoid_genitalia humanoid_penis impregnation inflation interspecies larger_anthro larger_female larger_penetrated leaking_cum looking_at_another looking_at_partner looking_at_viewer looking_pleasured looney_tunes male male/female male_penetrating male_penetrating_female mammal mating_press mature_anthro mature_female mephitid messy multiple_ova music mysticaldragoon01 nipples overweight overweight_anthro overweight_female ovum ovum_with_heart penetration penile penile_penetration penis penis_in_pussy pepe_le_pew presenting presenting_hindquarters sex sex_after_cumming size_difference skunk slap smaller_anthro smaller_male soles sound sound_warning sperm_cell tail thewill throbbing throbbing_balls throbbing_penis toby_fox_(copyright) toes tongue tongue_out toriel tutori under(her)tail undertale undertale_(series) vaginal vaginal_penetration vein veiny_penis warner_brothers webm
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