C41 Grandpa's notes

When I thought of that matter, I went to my grandfather's study by myself. The entire room was neat and tidy, the books and pens neatly arranged, and the room was dignified, elegant and concise.

However, ever since I entered this room, I felt very cold. The window was closed, and there was no wind blowing in, but I felt an indescribable cold and cold.

I looked at the desk carefully. As usual