24 Hours to Solve Crossovers That Should Not Be

[Tennie]

The Magic Knights get caught in a Groundhog Day loop

Regardless of the rest of the post, this idea by itself has the potential to be rather...interesting (especially given the events that they originally experienced--especially the surprise twist that they got at the end of their first visit to Cephiro). Having them be trapped in a time loop on top of all that could have the potential to either improve their mental state at the end of it all, or completely destroy it...