The secret of young nurse Rina Ishihara

After getting married, Satoko continued to work as a nurse. Despite being busy, her husband always loved and wanted to spend time with her. However, she caught the attention of Shimoyama, a patient, who had a fetish for turning other women into his own. One night while on duty, she was taken by Shimoyama.

And after that, he put a chastity belt on her, something only he could unlock. From then on, she belonged to him, and only he had the right to do that to her, even if her husband wanted to have a child with her...