Warning: The following contains minor spoilers for the series mentioned throughout!!

An anime series featuring a time loop presents its protagonist with a unique challenge of attempting to solve a multitude of mysteries ranging from what's causing them to be trapped in an endless loop, and how to stop it. Some time loop anime feature "closed loops" or "multiple loops", which require specific conditions to be met in order for the protagonist to progress and discover new clues. Despite repeating multiple events over and over, anime that feature time loops have the unique ability to develop their characters through their seeingly endless struggle trying to break the loop.

The best time loop anime send their beleaguered heroes through the same pocket of time to solve some sort of problem. Whether this problem is external, a villain they have to defeat, for instance, or internal, a personal flaw they have to overcome,...