Reiko grapples with deepening dissatisfaction in her marriage, where her husband’s fixation on an idol who resembles her leaves little room for genuine connection. Seeking relief from her mounting frustrations, she turns to Taniguchi, a trusted friend of her spouse, and confides in him about her private struggles. Their candid conversation leads her to propose an arrangement that might finally allow her to release her pent-up emotions. This unexpected offer sets their relationship on a new and complicated path.