I can't tell my husband... I knew my PC had frozen while I was looking at a porn site.

It's been decades since I got married. The couple's relationship has cooled down, and of course, there is no sex, and Kanae lives a lonely life. One day, a casually opened up a "erotic site." Seeing the man and woman having sex as much as they want, Kanae unconsciously begins to masturbate. However, a tragedy arises and the computer suddenly freezes. "I can't tell my husband what I was looking at this site..." And Kanae calls for help. Tsunayuki attends the computer vocational school she lives next door...