FURVERT!

after_sex all_fours alphys ambiguous_penetration anthro anthro_penetrated bed black_nails bodily_fluids bottomless breasts buckteeth clothed clothing colored_nails drooling duo english_text eye_roll eyes_closed eyewear female female_penetrated from_behind_position furniture gaster glasses heart_symbol hip_grab humanoid humanoid_on_anthro humanoid_penetrating humanoid_penetrating_anthro interspecies kneeling lizard lmilkdog looking_pleasured lying male male/female male_penetrating male_penetrating_female medium_breasts nails non-mammal_breasts on_back on_side open_mouth open_smile pastrydog penetration penile penile_penetration reptile saliva scales scalie sex side_view signature simple_background smile sweat tail teeth text thick_tail thick_thighs three-quarter_view undertale undertale_(series)white_body yellow_body yellow_scales