Reigen rushed in the library (was it a library?) so quickly that Mob barely had a moment to register a blink before his eyes were frantically scanning a scroll mounted on the wall.

Maybe it was something important? It had to be if he was this deeply focused on it.

But the silence between them grew. Mob was accustomed to the silence. Until recently, he was alone a lot of the time. But he wasn't accustomed to silence when he was in the same room with Reigen. He had enough words to speak for the both of them.

"Master," he began, somewhat hesitatingly as he stepped in after him. "Is everything okay?"