C895 Isn't This too Good at Talking

There's been some progress, but there's still a long way to go before the real answer to brother's guess.

If his brother's guess was divided into three stages, Qin Luo estimated that he should be in the second stage.

"Knock, knock, knock. Just as Qin Luo was immersed in the sea of knowledge, someone knocked on the office door.

"Who is it?" Qin Luo answered without even raising his head