The secret of Rikka-chan, the idol of the school and the class president, is found out by the teacher. Instead of telling anyone, you have to listen to whatever they say! In addition, a health teacher joins in, and in the name of physical examination, various toys are used to blame Clampo and Ass Po. - Rikka-chan who sprees while convulsing her body. At the end, it even squirts up to the tide!