FURVERT!

angry animal_genitalia arched_back blush blush_lines bodily_fluids censor_bar censored censored_genitalia erection faceless_character faceless_human faceless_male flowey_the_flower frown genital_slit genitals hands_on_body heart_symbol held_by_waist hi_res human humanoid_genitalia humanoid_penis japanese_text larger_human larger_male larger_penetrated lying male male/male mammal not_furry on_back on_bedding open_mouth oral oral_penetration penetration penis retsuzyohana scowl simple_background simple_eyes size_difference slit_penis smaller_male sweat sweatdrop tentacle_legs text undertale undertale_(series)