Maki Tomoda, a married woman, starts working part-time to support her household after her husband's salary gets cut. The store manager at her new job, Tsuji, is kind and friendly, helping Maki quickly adapt to her new role. Drawn to his warmth and smile, Maki can no longer suppress her emotional and physical frustrations caused by her deteriorating relationship with her husband, and she throws herself at him. Unable to resist his own feelings, Tsuji passionately makes love to her again and again, enveloping her in his embrace. Enthralled by his large, thick cock, Maki reaches climax after climax. Though they promise it will be just once, the afterglow lingers in her mind and body, bringing unexpected changes to her everyday life.