A present tense slipped in here:
Her drills lie splayed out on either side of them,
Also, the student council room is in the same building as the library, just one floor beneath it.
And something seems to be missing here:
...but she paid no mind to it, of sound enough that she seemed almost used to it.
Did Misha just turn into Hanako?
Hanako just left her as she was and stumbled over to the corner where Shizune sat, comfortably curled up on a beanbag chair catching up on her reading.
Okay, done with the nitpicks. Another great story, and it being about Misha didn't hurt at all
I always like stories that try to find out who Misha really is.