Board Thread:News and Announcements/@comment-6493589-20151008152837/@comment-24994749-20151016025927

ChishioKunrin wrote: Except she does have the spiky hair in the final scene of volume 2. You can see it as she's finishing taking the mask off.

Right after she takes the mask off, she is left with a colour swapped version of Yang's hair:

You yourself analysed the final sequence and recognised the possibility the feathers might have been tied to the kerchief on her head and the hair be tucked under it.