FIRA'S POV

"This is chemistry. I have no idea why the kings are needed to study the formula, but I will teach you the criss cross rule. It is as easy as you expect." I was writing the symbol of elements, the Ba for Barium and C for Carbon.

I was teaching Pyro for an hour and I was not getting tired. Sometimes, I caught him looking at my face, but I ignored him. He was just listening.

Honestly, my voice was giving out. He noticed it, that was why he gave me water. "You can go."

"We are not yet done?"

"You will be back tomorrow." He stood up...