Master, I Really Came Here for Vacation

Chu Ning is invincible in the upper realm, and has nothing to do to experience life in the lower realm. I wanted to keep a low profile and pretend to be a newbie, but unexpectedly, a cold fairy Liu Qingxue appeared halfway and insisted on accepting him as my disciple. He had no choice but to become a disciple, but he saw that his master repeatedly defended him, even risking his life to protect him. Chu Ning was moved and funny: "Master, actually I..." Before he finished speaking, Liu Qingxue covered his mouth: "Don't be afraid, Master is here." ............ Until one day, the Demon Lord from the upper realm tore through the void and came, kneeling on the ground and shouting: "Emperor, the collapse of the three realms is about to happen. When will you return?" The long sword in Liu Qingxue's hand fell to the ground with a clang: "... Emperor?" Chu Ning sighed: "Master, I'm really here for a vacation."