A daughter and a wife temporarily returned to Momoko, who lived alone after her husband took office. At first, she was a mother-in-law and a daughter-in-law, Kinhiko, who had been very unsatisfied with the idea of having a lively and fun day to day life, but one day she decided to take care of her sick son. Since that time, Kinhiko who touched the kindness of his mother-in-law had seen her as a woman and eventually became forbidden. Two people living under the same roof. The sense of indignation will soon change into pleasure.