Bai Yiran didn't know that Cheng Shishi invited other people, of course, Cheng Shishi didn't tell her. She always thought this was a dinner for just the two of them sisters, as they haven't gone out to eat alone in a long time. Usually, when they meet, it's at home, where it's hard to chat with so many people around.
Bai Yiran was actually planning to take this opportunity to chat with Cheng Shishi, since the girl's mood has been a bit unstable lately, which Bai Yiran guessed might have to do with her love life.
Seeing Bai Yiran a bit uneasy, Cheng Shishi quickly said, "The student I teach did very well on the exam this time, and I happened to have enough meal vouchers, so I thought to invite her too."
Bai Yiran didn't say anything, just nodded. Going out to eat is a good thing; she didn't want to spoil Cheng Shishi's mood.
After all, there will be plenty of opportunities to chat in the future.
