Perhaps it was because their marriage had gone through what people call a slump, and Hitomi hadn't had sex with her husband recently, which had made her increasingly dissatisfied. But one morning, the moment Hitomi put on her turtleneck to get changed, her husband became more aroused than ever and came on to her! The turtleneck, which fit perfectly from Hitomi's beautiful neck to her breasts, aroused her husband's sexual desire. The two then had sex like crazy, but the husband, hungry for more sex, decided to involve his younger brother, who happened to be coming over to their house, in a plot...