C130 I'm Sorry

"You are my students? "Why am I not impressed at all?"

Sitting on the sofa in the living room was an old man wearing a light gray pajamas and a pair of slippers. He had a head of white hair, but had a pair of reading glasses.

He was old, and had countless students under his tutelage. Naturally, he did not dare to say that he remembered all of them, but the four people in front of him