Loopy Loops
8.

Leaving turns out to be a big mistake. But she's got no way of knowing it until it's too late…and, really, that's why it's such a big mistake.

There's a woman called Mirei Mikagura who's waiting in the interim between worlds (which probably has a fancy name but she can't bring herself to care), and that's apparently her. Of course, this meeting between worlds only happens when it's too late to do a damn thing with the knowledge.

Because she's already set her future self up for the same outcome.

It's a cycle they can't seem to get out of.