The wife, who had to leave home for a trip, asked her mother to take care of her husband Ataru and so his mother-in-law Erika came to the house. However, Ataru couldn't welcome her sincerely. To Ataru, Erika, who possessed an enchanting allure, was not just a mother-in-law but a woman. Up until now, Ataru had desperately suppressed and hidden his desires for Erika. Living under the same roof with such a mother-in-law, and in the perfect situation where his wife wasn't around, Ataru's patience finally reached its limit...
