Don't fall into the trap yet, it is being sorted out and this article may not be updated for a long time.
Zhao Zimo gave him a huge "surprise" when his sweetheart after four years of separation came back. He just came to teach in their school, and instead of teaching his major, he came to teach their class, which was thousands of miles away.
What's even more "surprising" is that that person is the master who watches the stars and the moon with him in the game, and fights to protect his shortcomings.
Zhao Zimo: "Are you treating me like a fool?"
Su Yu: "Be good, don't say such things after you've already deceived me!"