Of the students that turn evil- I don't think nagisa is one of said 12. I actually think Ibuki is the 12th evil mage to be at some point or the other.
But nagi also had star eyes... tho yeah, maybe ur theory is still plausible.
Of the students that turn evil- I don't think nagisa is one of said 12. I actually think Ibuki is the 12th evil mage to be at some point or the other.