Because of Qi Musen's matter, Shen Mobei already had some grievances against Jian An'an. Perhaps he felt that she wasn't standing on his side. People who used to be able to crack a couple of jokes when they met had now completely become strangers.
And then there was the incident at the cemetery last time. Even though Shen Mobei didn't pursue the matter afterward, she could still sense that he seemed extremely angry.
That being said, Jian An'an never expected that the person Qi Musen went to see was actually Shen Mobei's older sister.
Chapter 1006