C145 We Have a Traitor among Us

Suddenly, the sound of footsteps could be heard in the long and empty corridor. It sounded very clear in the silent night.

Si Zhenxuan let Koo Angtong in, but the person was so fast that it was almost too late. Koo Angtong had no choice but to bury what had happened in her stomach and lie down beside Si Zhenxuan's bed to pretend to be asleep.

A man dressed in black walked in