evil's teachings
at the machida high school, a group cheating incident was serious, campus violence caused a chain conflict between parents and teachers, and the misconduct of physical education teacher tetsuro shibahara (played by yamada takayuki) and art teacher takashi kumi (played by daihigata) have shamed this sacred profession. in this disorderly chaos, the head teacher of class 4 of year 2, renshi shishi (played by ito hideaki), continues his perfect and pure teacher myth. he is elegant, humble and friendly, and under his angel-like appearance, there is a cold and devilish heart. he devoted himself to the management, set up one undetectable trap after another, and quietly erased those who threatened his existence. physics teacher aii (played by fujitsuki) secretly investigates renmi's past and background, and tries to expose renmi's true face with his students keisuke (played by aya masata) and others.