C263 Permission Level

"What does this authority mean?" I asked.

"It's the level of personnel in the Bluebird Company." The moon spirit said.

"What level are you at?"

"E-class."

"E-class? Does that mean there are still four levels above ABCD? "

"That's right."

"The highest A grade is the lowest, while the lowest is E grade, right?"

"Right." Moon spirit nodded.

"How can you be the lowest?" I am a little puzzled