[ The only protest Gray gives is a small noise as Rin takes hold of her chin. Having a difficult time with all that face-to-face scrutiny, she's stiff as Rin has her way, hands clenched on her knee and on the ground between them to keep herself from falling onto Rin. Meekly, ]

I don't think it's any more reversible than...

[ ... the rest of her condition, the one she's been resigned to since she was a child. But she hasn't spoken about that with Rin, and it's a bit much to dump on her now. ]

Um. It's a bit complicated, but even if King Arthur were to be summoned and my body changed even further, I would still have my soul. So it might only be a cosmetic difference in the end...

[ Which is still a problem, and an essential one where Gray is concerned, but with both Mordred and Rin now fussing over her, she rushes to de-escalate. ]