Mizutani Naritomo, a teacher of beautiful butt slender who was dirty and drowned by Kimo Oyazi

English teacher Nashitomo is in secret with his colleagues. One day, a new principal will be assigned to the school where he works. At first glance, he seemed kind and thought that he would be able to do well, but the principal was actually a very unusual panstonia. The principal, who witnessed Nashitomo's disgusting relationship with her lover in a school where she was not popular, threatens Nashitomo by taking pictures. Naijitsu, who gave in to the threat, gradually became mad with unknown eccentric pleasures brought about by the hentai punst fetish sexual intercourse of the principal who made his true nature outrageous.