Neutral good. Enforcing order is part of his job as a teacher.>>13708592
Isn't that kind of like calling Shiki Tohno, Akiha, or Ciel chaotic evil because they're crazy when they're possessed by Roa, just like anyone would be
Sakura would never have gone chaotic evil if not for the worms. They're more the chaotic evil force than Sakura herself is.