User blog comment:KurosakiHisana/Guess What's Under Saige's Hair!/@comment-4851119-20141016192052

There's some sort of horrific Lovecraftian parasite on/in her head. The hair is being directly manipulated to cover it up. If she ever gets an improbable anime hairstyle, it's as a direct side effect of sharing her brainpower with an eldritch abomination.