"A disordered appearance is a sign of a disordered mind." Kana-sensei, the student guidance counselor, was reprimanding the other students in her usual stern tone. As for me, I was an exemplary class representative, and my greatest joy was receiving praise from Kana-sensei, whom I admired. I never imagined that such a serious Kana-sensei would be doing something so obscene. One day after school, when I passed Kana-sensei on the stairs, I happened to see her without any underwear on. I thought I was seeing things, but...