But later, I heard that one year in the class he led, his biological son was also in it. However, after just getting into college, he fell severely ill and passed away. He couldn't cope with the blow and took a three-year break. When he returned, he never took on graduating students again, only teaching first-year classes every year.
Ruan Jiaojiao wasn't sure if this was true, as it was just hearsay. Whenever Mr. Wu encountered her at school, he always greeted her with a warm smile, seeming nothing like someone who had lost a child in middle age.
When the four of them reached the edge of the platform, a few other students had just completed reporting, and followed their luggage-carrying parents to the dormitory.
"Mr. Wu."
Mr. Wu looked up, his eyes lighting up at the sight of Ruan Jiaojiao and the others, and smiled broadly: "You've come, come in."
