The male protagonist travels through time and space countless times, trying to save the female protagonist. In the end, it was discovered that the death of the heroine was actually related to her own time travel. Nothing can change the outcome of the matter. When a new time travel occurs, it will be different from the previous ones. Can the heroine be saved this time? It's still the same as before, and the facts cannot be changed.
Intention: The past cannot be changed, the future is waiting to be explored, and only the present is infinite possibility.