So, what is the identity of this new student? This moody librarian can treat him like this.
As the saying goes, "Don't hit a smiley face", Sun Yuan himself doesn't like to be disturbed by strangers while reading.
"I'm sorry, Ms. Pince. It won't happen again."
He gently nodded on the table top, and a simple and unadorned [Sound Insulation Curse] wrapped Sun Yuan and his wife inside.
Even if they sing and dance in it, it will not affect anyone.
At the beginning, when he stayed in the Leaky Cauldron Bar, later in order to prevent explosions and other strange things