Hana, a wife, is happy to see her husband's friend Saeki for the first time in a long time. However, she never dreamed that this encounter would turn her life upside down. One day, Hana secretly tries out the anal pearls her husband received at the end of the year party out of curiosity... Saeki comes to her house and finds out, and she is unable to resist as he violates her anus. Her anus is left burning hot after being played with by her husband's friend, and Hana is unable to suppress the throbbing in her body and is left in agony...