The popular doujinshi "I shouldn't have gone to the sale without telling my wife" has been adapted into a live-action film starring the exclusive beautiful mature woman, Aikyuu Ryo! Married for five years, Yumiko is always lonely because her husband is always away on business at the end of the year. One day, she finds a large number of doujinshi in her bedroom. While she is surprised by her husband's hidden hobby, she yearns for the aggressive sex like in manga, and indulges in fantasies... When her neighbor, the playboy Kazuya, notices her, he pushes her down. Unlike her indifferent husband, her body melts from his deep, sticky caresses... An episode of authentic cosplay sex is also included!