Wife Karin is hosting her husband's subordinate, Kurosune, at their home. The two were senior and junior in college, and upon this long-awaited reunion, Karin exudes a delicate, captivating beauty. Kurosune is instantly smitten, gradually drawn to her charm. That night, he accidentally witnesses Karin and her husband engaged in passionate sex, leaving him deeply shaken. Unable to forget the sight of her lewdness, Kurosune becomes obsessed, desiring Karin as his own. Seizing on her vulnerabilities, he manipulates her body and mind, using every method possible to ensure she can never escape him—completely dominating her body and soul.