Yuka is a married librarian whose quiet manner and glasses conceal a charm that has long captivated company president Ozawa. One day she arrives at his company for an interview despite having no relevant experience. Ozawa realizes she is trying to escape the pain of her husband's affair and seizes the opportunity, offering to hire her as both secretary and mistress. Before the hesitant Yuka can retreat, he pins her down with an intensely lustful kiss, beginning a sweaty office affair that leads to sex and a creampie.