The Failure of Harisugawa

The Failure of Harisugawa is the 9th chapter of the manga illustrated by Yasuhiro Kanō.

Synopsis
Harisugawa is shocked to discover that Saki knows about his secret crush on Mao. But after finding out that the class is going on a field camp, he begins to worry that Saki will spill his secret during girls talk, and unconciously screams.