FURVERT!

4:3 animal_humanoid anthro aquatic arachnid arachnid_humanoid arthropod arthropod_humanoid athletic athletic_female bed bedroom big_breasts blue_body blue_scales bodily_fluids boss_monster_(undertale)bovid breast_size_difference breasts caprine claws clitoral_hood clitoris cunnilingus evanight eyes_closed female female/female fish fur furniture genital_fluids genitals group group_sex hair hands_on_another's_hips hands_on_hips horn humanoid humanoid_on_anthro interspecies kneeling larger_female long_hair lying mammal muffet multi_arm multi_breast multi_eye multi_limb nipples non-mammal_breasts non-mammal_vulva nude on_back open_mouth oral plantigrade purple_body purple_skin red_hair scales sex size_difference slightly_chubby small_breasts smaller_female spider_humanoid spread_legs spreading threesome toe_claws tongue tongue_out toriel tribadism trio undertale undertale_(series)undyne vaginal vaginal_fluids vulva white_body white_fur