"Thank you, Professor."

Looking at the girl with the flowery brush, Grando smiled and said, "You're welcome, son. It's rare to see a child as studious and intelligent as you are now, and I'd be happy to answer your questions. "

After putting away the intelligence brain used for the lecture, the professor patted Lea's shoulders and made a "Go for it" gesture, then left with his hands behind his back. Thus, the lecture hall became quiet. Lea saw that it was getting ...