C1322 Swordshadow Alliance(part I)

"This is because we already have this transparent mucus in our bodies."

Wu Yutai said, "Previously, we took the chameleon drug, but in the end, we just secreted the transparent mucus from our bodies."

Professor Zhang asked for a few more details, making Li Yun, Liu Yayu and the rest feel awkward.

They don't understand these technical aspects.

When they paused