New student

There are classes at the special school
The common
Fairys
Witches
Wizards
Uncommon
Ghouls
Ghosts
Mages
Rare
Vampire
Very rare
Werewolf
Levi is the only werewolf at his school.
He is the strongest and most feared person at the school.
Until two of his class mates armin and mikasa ackerman introduced a new student to the school.
What special power does he have.
And how are they gonna meet.