In this second volume of High School Girls, the trio and new insider friend Kouda deliver more all girls school growing pains. When dieting becomes a major preoccupation, the girls discover that sex burns calories best, and so engage in pretend positions with one another to peel away the fat! This volume's climax escalates when Yuma's lovely little sister arrives at school. But this little girl, who seems so innocent, has devious plans to wreck Yuma's friendships... And no one wants to believe it!