Grandma Took Me to Practice Immortality

A child who lost his father at a very young age was naturally naughty and could not be disciplined. His mother was forced to send him to his grandma's house in the countryside. By chance, he and his grandma embarked on an extraordinary path of cultivating immortals together, becoming the only duo of cultivators in the universe. Fortunately, they met them in the vast universe. They had always missed people, and traveled among the stars with them...