Izumi (Yuu Shinoda) met the tax accountant Ichikawa while working as an accountant at her husband's company and has been secretly seeing him. Despite wanting to end the relationship, Izumi keeps continuing it. Plagued by guilt, Izumi tries to break up with Ichikawa, but he refuses. Their physical relationship escalates further, and Izumi becomes captivated by Ichikawa's perverse games.
