C267 Not to Return All Night

Just as Tang Xiruo was about to start her class, her cell phone rang. It broke the quiet atmosphere in the classroom.

Strange, really strange. Normally, no one would call him at this time of day. She would always be at work during the day, so no one would disturb her. Could it be something urgent?

She felt a little awkward looking at the dozens of pairs of eyes looking at her in unison