C299 Confusion

Bai Ling's phone was always placed at the closest place.

Half an hour later, she heard her phone make a "ding" sound. Bai Ling's heart was thumping hard, so when no one was paying attention, she hid in a corner and took out her phone to have a look. When Mo Ying Ying texted her, she only sent her a message with four simple words, "Sister-in-law