Back in the rental house, Ling Jiushi decided to study virtual reality technology after careful consideration.Thirty years have passed, and virtual reality technology has been used in people’s daily lives.Ling Jiushi, who was in his 50s, finally completed his experiment. He excitedly put on the virtual device and pressed the start button.Ling Jiushi saw those friends from the past.Ling Jiushi watched Ruan Lanzhu walking towards him with tears in his eyes and said to him: Long time no see.