Iinchou wa Saimin Appli wo Shinjiteru

One day, Kodera is ordered by the yo-kas in his class to confess his feelings to the chairman of the committee, who he has a crush on, in a xxx game using a xxx app. But Satsuki, the chairperson of the committee, sees this and calls Kodera to the gym after school to show him the XXX app! Satsuki, who believes that he is affected by the xxx app and Kodera, who pretends to be affected by it.