The Kanhata couple moved to a new house after getting married. When Ichika and her husband went to greet their neighbors, the man who came out was Shiozawa, a man with whom Ichika had a physical relationship in the past. Ichika frantically begged him to keep what happened back then a secret, but... That night, her husband, who didn't know the situation, happened to meet Shiozawa at a bar and they hit it off, so he brought him home. When her husband got drunk and they were left alone, Shiozawa, who hadn't seen Ichika in a long time, suddenly attacked her...