Sayuri Sakai is a main character in the yuri visual novel Nurse Love Syndrome. A patient who has been hospitalized for the disease called aplastic anemia. The first patient whom Kaori take a charge of. She attends the same nursing school as Kaori. Her birthday is 16 May.
- Somehow, she has an unusual hostility towards Kaori and Nagisa, which is a result of her strong feelings to Kaori.
- Usually, she blushes around Kaori.