Rule 34 Dev - 2023 4_fingers absurdres anais_watterson blush bodily_fluids brother brother_and_sister cartoon_network cat comic cub dialogue digital_media_(artwork) domestic_cat duo english_text erection eyebrows eyelashes felid feline felis female fingers furry genital_fluids genitals gumball_watterson hetero highres male mammal nude open_mouth penis pink_penis precum red_eyes sibling siblings sister soulcentinel speech_bubble sweat tears testicles text the_amazing_world_of_gumball wet younger|3139523635