s office.Just as I was about to knock, the door opened on its own.Gu Yichen saw Su Keixin standing outside the door. He was stunned for a moment, then immediately turned his face cold. "Su Keixin, wha...board, his voice turning cold. "Is this all the efficiency you have now You've been searching for so long and still haven't found out who it is And the things left in the room, don't you investigate t...