FURVERT!

all_fours alternate_universe ambiguous_fluids anal anal_penetration animated_skeleton anterior_nasal_aperture bite biting_lip biting_own_lip blue_tongue bodily_fluids bone bonetrouble clothing dialogue doggystyle duo english_text eyes_closed from_behind_position heart_symbol hoodie humanoid humanoid_on_humanoid humanoid_penetrated humanoid_penetrating humanoid_penetrating_humanoid kerchief male male/male male_penetrated male_penetrating male_penetrating_male neckerchief neckwear not_furry penetration penile penile_penetration penis_in_ass profanity saliva sans_(underswap)sans_(undertale)self_bite selfcest sex simple_background skeleton smile square_crossover sweat teeth text tongue tongue_out topwear undead underswap undertale undertale_(series)