“Disorder in clothing is disorder in the heart.” Student guidance teacher Kana Kusakabe was scolding other students in her usual strict tone. I, on the other hand, was a model class representative, and my greatest joy was being praised by the Kana teacher I admired. I never thought that such a serious Kana teacher would be doing such obscene things. One day after school, when I passed Kana teacher on the stairs, I happened to witness her without underwear. I thought it was a mistake, but when I followed Kana teacher after the next day's class, I ended up witnessing her spending her time exposing herself without underwear…