The beautiful next-door wife is sexually frustrated. For 5 days, we had a secret affair, where I penetrated her vagina from through a 10cm hole in the wall. Honjo Suzu

Summary

One day, a hole appears in the wall separating Yoshiki's room from the one next door due to a fight between the married couple next door, Suzu and Yusuke. The hole can't be fixed right away, so Yoshiki and Suzu gradually start to communicate through the hole. Unable to leave Suzu alone in her grief, Yoshiki gradually becomes attracted to her...