Kind of... [She takes a deep breath to steady herself. At least he does remember Naminé then. That makes her explanation somewhat easier.]

When she had to fix your memories, some of them got mixed up. And they ended up with me... And to get them back to you, everyone's memories of me had to...

Everyone had to forget me. [Xion shakes her head and smiles at Sora, hoping it'll convey that she's really not bothered by it, not anymore.]