Kana is usually easy to believe people's stories and get swept away. One day, when he is about to be scammed, he is accidentally saved by his brother-in-law, Taichi. He was a fisherman in the pelagic fishery and had been hungry for a woman for a long time, and when he saw her secret desire in agony and skillfully persuaded him, Kana, who lost the momentum, was swept away by "If only once ...". - As she is raped many times without being able to refuse, her body becomes more and more sensitive. - Nagasare to the pleasure of immorality that penetrates the whole body, which can never be tasted by a bland husband.