FURVERT!

ambiguous_gender animal_genitalia blush bodily_fluids bound cloth_glans_play cock_and_ball_torture duo elemental_creature erection flora_fauna flower flower_creature flowey_the_flower frown genital_slit genital_torture genitals greyscale hi_res human humanoid_hands japanese_text legs_tied male male/ambiguous male_focus mammal monochrome narrowed_eyes not_furry open_mouth orgasm penile_squirting penis penis_torture plant retsuzyohana scowl shaking simple_background solo_focus sweat tears text trembling undertale undertale_(series)