FURVERT!

alphys ambiguous_gender anal anal_penetration anthro anus beady_eyes belly big_belly blush buckteeth claws clitoris duo eyewear featureless_chest female female/ambiguous genitals glasses goo_creature inflation looking_pleasured monochrome nude open_mouth open_smile penetration questionable_consent reptile restrained scalie slime_inflation slimefur smile spread_anus spread_vulva spreading tail teeth tentacle_penetration tentacles thick_tail translucent translucent_body translucent_tentacles undertale undertale_(series)vaginal vaginal_penetration vulva