FURVERT!

14:9 accessory animal_humanoid anus aquatic aquatic_humanoid ass_up bangs black_bottomwear black_clothing black_pants blue_body blue_skin boots bottomwear bottomwear_down butt clothed clothing ear_fins ear_frill eye_patch eyelashes eyeshadow eyewear female fin fish fish_humanoid footwear frill_(anatomy)genitals gills grinding hair hair_accessory hair_tie humanoid improvised_sex_toy licking licking_lips licking_own_lips looking_back makeup masturbation melee_weapon membrane_(anatomy)membranous_frill pants pants_down partially_clothed polearm ponytail rear_view red_eyeshadow red_hair self_lick sex_toy sharp_teeth shoes simple_background solo spear teeth thesquidycipher tongue tongue_out topless toying_self undertale undertale_(series)undyne vaginal vaginal_masturbation vulva weapon weapon_masturbation white_background yellow_sclera