C604 4 hours and 17 minutes

When Lu Baobei walked in, the first thing she saw was a head of silver hair.

The old man who was leaning on the table and reading a book heard the commotion at the door and raised his head. He had a pair of thick reading glasses on his nose, and the eyes behind the glasses were slightly squinted as he looked at Lu Baobei.

"Hello." Lu Baobei first greeted the old man