While Saki is a strict teacher, she was secretly enjoying affairs with her students behind the scenes. She knew the risk of losing everything if she was found out, but she even enjoyed the thrill of thinking it would be okay if she hid it well. However, the situation changed when her students began to demand a relationship even within the school grounds, seeking stimulation. Saki begins to feel fear about having affairs beside her students. But the experience of desperately suppressing her voice and cumming is a stimulating experience she has never felt before…