The tag alias #56965 illusie -> maaia has been approved.

Reason: Illusie is Maaia's secondary fursona, not a separate artist.
I would not call this user* adding the tag to a bunch of Maaia posts as tagging abuse, simply confusing and unnecessary.
*(https://e621.net/post_versions?commit=Search&search%5Btags_added%5D=illusie&search%5Bupdater_id%5D=334514)

EDIT: The tag alias illusie -> maaia (forum #330844) has been approved by @bitWolfy.