Grandpa, the Sword Emperor from Another World, Has Just Returned from Cultivating Immortality.

"Hello? Are you a doctor? Yes, my father is going to kill me!" "He said that he is the great emperor of the mountain and sea realm, who rules the world, and wants to take the life of this little beast like me!" "What? Mental illness? Isn't this nonsense?" "Wait! Don't hang up!" Lu Yun never expected that the first thing the old man who had been in a vegetative state for twenty years would do was to kill him when he woke up. What to do? Urgent! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.