This record chronicles how a married woman named Reiko (age 44) knocked on the forbidden door to open up her remaining life and future. She has been married for eight years without children. Insecure about her appearance since adolescence and shy by nature, she had no dating experience until meeting her husband at age 35. After several years of trying to conceive, their intimacy naturally declined. One day, her husband revealed his hidden stash of AVs, causing her to lose all pride as a woman. Determined to find someone who would value her as a woman, she decides to bare herself...

これは、今を、残りの人生を、切り開くために禁断のドアを叩いた人妻の記録――。人妻・涼子（44歳）、結婚8年目、子供無し。思春期の頃から自分の容姿に自信が無く内気な性格で、30代半ばで夫と出会うまで恋愛経験は皆無だった。結婚後は妊活に励んだが実らず夜の営みが自然に減少。そんなある日、夫が隠していたAVを見つけ女としてのプライドが喪失。女としての価値を誰かに認めて貰う為に裸を晒す決意をした…。めくるめく性の悦びを知り変貌していく美人妻の全記録（前後編）を御覧下さい。前編は、初めての不倫旅、寝取り計画への協力、貸別荘での破廉恥な酒席、そして同性にレズの手ほどきをした日帰り旅までを収録！