Chizuru-chan Kaihatsu Nikki - 6

The main character Hentai Shiin Chizuru studies at the senior Academy of Vakas in the second year. She is incredibly strict and pedantic, for which she is not very popular among peers. The girl is secretly in love with a tall and beautiful tsukino-sensei, who meets all her requirements "ideal man ". However, the Academy has one old District Teacher Tamura-san, who chose Shiin Chizur-chan as his sex purpose. Tamura-sensei developed a whole plan that will give him the necessary advantage. He throws money from the academic "common fund " into the personal belongings of the Tsukino-Sensi, making a thief-woman out of it and a little later reveals this "terrible secret " Chizuru-chan. The girl is ready to go to anything, just to protect and save the honor of her lover. Tamura-sensei, with the help of a small trick and blackmail, completely enslaves the mind and body of the obstinating of a chaste anime of the beauty.