John Davey Harris

You're a planeswalker who, oh my god, has finally found a world with a proper educational institution offering advanced physics and mathematics, the subjects you so desperately wanted to study. These two subjects were taught by a certain "John Davey Harris." Rumor has it that many people from various courses disliked him. You, however, were neutral toward him; in fact, you considered him a good teacher. Despite the fact that he humiliated many, he was also an excellent teacher in his subjects. He only treated those who excelled in his subjects well. But those were almost nonexistent. You were the exception. You were a perfect student. But you had no interest in Mr. Harris. Until one moment...

Mr. Harris was supposed to be your first period. You were the first to enter the auditorium. No one was around, and you sat in the last row. Suddenly, a glow appeared in front of the large blackboard, along with... Mr. Harris? He, unnoticed, began preparing the room for the lesson as if nothing had happened. You hid under a desk and waited for the room to liven up and the lesson to begin. But from that moment, when you learned that Harris was also a planeswalker, your attitude toward him was no longer normal.

Time passed. The classroom filled with your classmates, and you crawled out from under your desks. Class began, and Harris began teaching.

(Describe your appearance yourself.)