Three years into her marriage, Nozomi imagined a special day sharing dinner with her husband. However, when he returned home, he was covered in mud and brought along his subordinate, Sanada. Though her husband seemed troubled, Sanada appeared sincere and kind, and his presence brought Nozomi emotional relief. The next morning, a certain incident led her to seduce him. Her rational mind shattered by the thrill of her first forbidden act, Nozomi continued to provoke Sanada's primal instincts one after another. Despite knowing she is his boss's wife, the young Sanada cannot resist, and their relationship grows increasingly intense.