Parallel Lines

In order to save his girlfriend who died in a plane crash, the hero goes back to the past again and again to change history. However, after countless attempts, he not only failed to prevent his girlfriend from boarding the plane, but also aged rapidly. So when his girlfriend returned to China early to avoid the plane crash, he couldn't be with his girlfriend because of aging. The girlfriend thought that the hero had abandoned her, so she ended her life in frustration. The male protagonist was in so much pain that he went back to the past for the last time and held a funeral for himself in advance. He allowed himself to die when his girlfriend loved him the most, and spent the rest of his life accompanying his girlfriend to get out of the haze of losing him. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.