Married woman Yuki is a devoted, serious, and chastity type woman.Without explanation, she and her husband went to a certain place.Her husband, who wants to move up from her boss position, offers his wife to her boss as promised to win over her boss.For her beloved husband's sake, she is required to act of service to her superiors and subordinates' men, and to have sex with her husband in front of everyone.Although she understands her husband's circumstances, she is embarrassed by the unbearable shame that exceeds her endurance.