Board Thread:Questions and Answers/@comment-937287-20140310051153/@comment-6532078-20140310200557

You're not. Since it's not confirmed that Sheba is Gyokuen nor the identity of the girl from 215 (which I also think is Sheba, but then, we still can't be 100% sure), we can't state it as clear fact. That's why I deleted it until it's clear.