C300 Wilderness chasing

In the washroom, because Yan Qingcheng was usually the only one who used it, there were a lot of girls' private items such as the underwear that had not been washed, the bra that was hung on a frame, and some daily items.

And Cao Xiaolei was also a person with a strong desire to learn.

Hence, he had unavoidably researched it for a while, and because he was careless