My System Is in Trouble

HaGou: "Master, my opponent is very strong, do you want to be stubborn?" "I don't eat dog meat, thank you." "I mean, you might be buried if you don't slip up like this!" "Hey, Nigou insults me like this, look at my magic sword, I'll chop off your dog's head." "No, Master, I am the dog you have raised for ten years~". This time it's a different story, one man rides a dog, roaming the heavens and the world…