START-353 The beautiful wife in the neighboring apartment where I live was feeling unfulfilled. Over five secret days of an affair, I repeatedly had intimate relations with her through a 10 cm hole in the wall left by a marital argument. Aozora Hikari

One day, a hole was made in the thin wall separating Hideki’s room from the neighboring apartment after an argument between the married couple living next door, Hikari and Yusuke. Since the wall could not be repaired right away, Hideki and Hikari gradually began communicating through the hole. Unable to ignore Hikari’s sadness as she was treated carelessly by her husband, Hideki slowly finds himself drawn to her…