Rule34https://rule34.xxx/index.php?page=atom&tags=2018 animal genitalia animal penis balls black fur black nose blue eyes blush canine canine penis chair position duo english text eyebrows feline female feral feral on feral from behind position fur grey eyes grin internal interspecies knot knotting luca male mammal multicolored fur penetration penis pink background pink nose sex simple background size difference smile stealth sex straight tan fur text unseen character vaginal penetration white belly white fur2024-05-03T18:23:28ZRule34