Rule34https://rule34.xxx/index.php?page=atom&tags=animal genitalia animal penis anthro anthro on feral balls big penis breasts dialogue duo earth pony english text equine equine penis erection fan character female feral greyscale horse horsecock larger male male mammal monochrome my little pony nipples open mouth penis pony size difference slavedemorto straight text zoophilia2024-05-01T04:57:32ZRule34