FURVERT!

anal anal_masturbation anal_penetration animal_genitalia anus blush bodily_fluids censored comic dialogue elemental_creature erection flora_fauna flower flower_creature flowey_the_flower genital_fluids genital_slit genitals greyscale heart_symbol hi_res hidden_eyes japanese_text looking_pleasured lying male masturbation monochrome motion_lines narrowed_eyes not_furry on_back open_mouth penetration penile penile_masturbation penis plant possessed_masturbation possession precum retsuzyohana shaking simple_background simple_eyes slit_penis solo speech_bubble sweat sweatdrop tapering_penis tentacle_in_ass tentacle_legs tentacle_masturbation tentacle_on_penis tentacle_penetration tentacles text throbbing throbbing_penis undertale undertale_(series)