Qin Yi's Leisurely Monastic Life

If you could go back 20 years, what would you do when you were just 9 years old? ... Qin Yi's choice was to rescue his grandfather and spend the rest of his life with him. But during an adventure in his previous life, he actually learned about his life experience. He was actually a fifth-generation immortal? There is also an innocent, cute and talkative Gungun accompanying him? Don't want to practice Taoism, but you encounter strange encounters one after another, and even more systems fall from the sky? Where are the parents and who is the beauty? No matter what, he is destined to have a legendary + leisurely monastic life...