[If the ghost can see Szayel, she'll see him tilt his head slightly in contemplation when she mentions the red five. But otherwise, he seems satisfied by her answer.]

With the exception of one inconsistency, you've done well at recreating the puzzle. That is more or less what I experienced when I went through it myself. And yes, I am indeed aware.

[An interesting thing to point out for extra credit. But moving on...]

Who is this "Junpei-kun" to you?

[It's obviously relevant to the information he has.]