Re-meet is probably the more appropriate term, yes.

[Mars bows her head slightly, tilting it to one side and studying the outfit. Definitely better than the last. A little uncomfortably, she became more aware of her attire, and didn't like standing around in her battle-form anyway.]

I'm going to revert to my other self, Grell. I only wear this form for dangerous situations, and I'd appreciate discretion if asked about my identity. It's safer for me and mine, this way.

[There's a shimmering flash of light and Mars is replaced by Rei. Younger looking, shorter, more frail. The illusion surrounding Mars is broken for Grell now, as it had been in the past, but that's perfectly fine.]

I am Rei Hino, when I'm like this. Easy enough to remember, yes?