The home tutor Sugata, who comes twice a week, had fallen head over heels for the beautiful and mature mother Nagisa. He would sneakily use 'wall bang' to corner her while her son wasn't looking, and Nagisa was bewildered by Sugata's bold actions despite his straightforwardness and good looks. However, when she was suddenly grabbed in the crotch, Nagisa was shocked. It was a 'monster cock'... In her otherwise comfortable and happy life, the only thing that had never been fulfilled by her husband's penis, Nagisa gradually became addicted to the pleasure brought by Sugata's young and sturdy cock...
