At the Class President's Beck and Call

Just like the others, Ichika’s joined the student council because he admired the beautiful and charismatic President Sasamori. But the president is actually a hardcore masochist! And as the only person who knows, Ichika had to help the president enjoy his weird hobby. One day, Sasamori asked Ichika to accompany him to an S&M Club, but why did Ichika felt so irritated when the other club members were playing with the president's body?