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4_fingers 5_fingers anal anal_penetration anthro anus asriel_dreemurr_(god_form)balls barefoot bodily_fluids boss_monster_(undertale)bovid butt caprine conditional_dnp cute_fangs domestic_cat duo erection erobos faceless_character faceless_male fangs feet felid feline felis fingers foreskin genital_fluids genitals half-closed_eyes hand_on_hip humanoid_genitalia humanoid_penis interspecies leg_glider_position leliel looking_pleasured lying male male/male male_penetrated male_penetrating male_penetrating_male mammal musclegut muscular narrowed_eyes nude on_back open_mouth overweight overweight_male penetration penis precum raised_leg retracted_foreskin saliva sex solo_focus teeth toes tongue undertale undertale_(series)unknown_species