Your name is Xion. You've been placed in Heimdall's house. You used to be part of Organization XIII, supposedly. Number 14. Your job was to collect hearts, and from that I suspect you wielded a keyblade before arriving here. You left the Organization on your own will. You have a striking resemblance to Kairi, but I doubt you're her Nobody. You're not supposed to exist "at all" which means you're either a Nobody or something happened to you. Or both.

[That's only the basics of what he could pull from her first post with everything that wasn't filtered.

And he'll just tap into his telepathy for an emotional response.]