Xuanhuan: It turns out that I am a peerless master

Li Yixi traveled through time, but the system exploded. In this practice world, he was a mere mortal, so he panicked.I can only stay in the courtyard rewarded by the system, not daring to take a step.But he didn't know that the dog he raised was the Supreme Demon Emperor.The calligraphy and paintings he wrote casually were contested by countless strong people outside, and he realized the supreme way.The fish he raises are...