Her husband is an extremely serious section manager at a first-class company. For the first two years of their marriage, he was extremely virile and loved sex to the point that Ayaka was sick of it, but after the second year, they suddenly became sexless. She thought that since her husband was an extremely virile man, he would come back to her soon, but before she knew it, more than a year had passed. The word "cheating" came to her mind. Ayaka, who had always been addicted to sex, reached her limit and sent an email to an old sex friend for the first time in a long time... The sex friend introduced her to a certain older man who said he would introduce her to many partners...