Jiang Chen opened the door.

"There's not much difference between day and night. If I am consistently being monitored, then even selecting daytime would not increase my chances of winning. Or maybe, it is safer in the day since the majority of the people will be in their home, and there would be less pawns that the secret protector could use."

He went downstairs and saw the cleaning robot.

It still gave off the same hollow look that instinctively produced a disquieting feeling.

[The cleaning robot left the first clue, so it should be considered "friendly"? Although he didn't know who left this clue, but presumably, it wasn't on the secret protector's side,] Jiang Chen thought as he walked past the robot and turned back.

The robot was looking at another direction.

"South? Is there something over there? There was also another cleaning robot in front of the library. In the N cycle, it blocked the security guard for me." Jiang Chen looked south, but the tall buildings blocked his view