A big-breasted female student, infatuated with her teacher, shows up at his house while his wife is out shopping. Initially flustered by her sudden visit, the teacher gradually becomes aroused by her aggressive advances. He reacts to her seduction attempts during dinner and in the bathroom, getting erect just from seeing her. When his wife returns, he tries to resist, but ultimately gives in to temptation in the living room, instantly getting hard and unable to hold back, resulting in creampie sex. The story realistically portrays the teacher's shifting emotions and reactions, creating a highly erotic atmosphere. The deepening relationship with the busty student, along with the wife's unawareness, adds layers of tension and seduction throughout the scenario.