For months now, the middle-aged male homeroom teacher has been visiting 'Rihō,' who has been shut in and not attending school. Initially, he listened to her troubles out of concern, acting as a substitute for her parents. However, his male emotions began to stir, and he could no longer restrain himself, leading to several instances of physical relations. The bachelor teacher, who had gone without a woman for so long, thrust his uncontrollably aroused massive member into Rihō's mouth and vagina.
