C31 Wall with ear

Inside the Roche Group Building, a big and small figure flashed by. It was already time to leave work, and the building was completely empty, but Jiang Yuchen and Luo Lingyao were hiding in a corner, just in time to see the door to Luo Lingyun's office. They were not easily discovered, but they acted mysteriously, as if they were doing some kind of secret service.

In Jiang Yuchen's heart