The setting is multiple universes plus time and space travel, and there is a bit of natural return (the same person cannot exist multiple times in a universe, it will naturally obliterate one of them.).
Time travel is full of paradoxes, and it is much easier to join the multiverse. As long as the details are well done, there will be no flaws. It also solves the long-term simultaneous existence of multiple male protagonists.
The screenwriter took a relatively simple path, and the film also understood, with a passing score.
Watching the male protagonist keep NTR himself is tiring! According to the correlation between parallel universes, a considerable proportion of the male protagonists in the parallel universes have died.
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