After getting married, Satoko continued to work as a nurse. Even though they are both busy, her husband still loves her and wants to spend time with her. However, she catches the eye of Shimoyama, an inpatient who has a hobby of making other women his own. While staying overnight, she was possessed by Shimoyama. And after finishing the job, he put a chastity belt on her, something that only he could open. From then on, she was officially his own person, only he had the right to do that with her, even if her husband wanted to have children with her...

RBD-704 The secret of young nurse Rina Ishihara