Well, that depends(in my opinion) on when she started her lie.  If, say, she

For this story... at the time of "The Masks We Must Wear" Akane hadn't
figured out the P-chan secret.  That was set at an unspecified time between
the respective arrivals of Ukyou and Nodoka on the scene.  Whether or not
Akane has figured it out by the time of CWCW will be revealed, but further
deponent blabeth not.

Best,

Bob Barnes
rbarnes@moscow.com
Moscow, Idaho

When opportunity comes, the trick is to CATCH the red hat.