Rule 34 Dev - 2020 animal_humanoid bangs bedroom_eyes black_and_white blush bodily_fluids clauschristmas2 closed_eyes cute_fangs dialogue dirty_talk disembodied_penis duo ear_fins erection female fin fish fish_humanoid genitals hair heart hi_res holding_penis human humanoid kissing licking long_hair male male/female mammal marine marine_humanoid moan monochrome motion_lines multiple_images narrowed_eyes nibbling open_mouth oral penile penis penis_kissing penis_lick praise pupils saliva seductive sex sharp_teeth slit_pupils speech_bubble straight_hair sweat teeth tongue tongue_out undertale undyne vein veiny_penis video_games|5181757648