In his previous life, Xie Jingtang risked his own life to save Qi Mu.
Qi Mu later became the strongest man in the universe. He accidentally obtained an ancient secretary and went through all kinds of difficulties and dangers to become a system.
His memory was also sealed.
After sleeping for a thousand years, Qi Mu followed the guidance in his heart and went to the earth. Successfully smashed Xie Jingtang to death in this life.
Then Xie Jingtang was forced to form a contract with him and began their "happy" mission trip to another world.
Intention: You are my whole world