نادایشیکو سوما

She is both a teacher and a school nurse at the same school where Sakuya and Shinichirou were studying. She is also the Shimazu clan's family appointed guardian of Sakuya. She always like teasing Shinichiro and Sakuya and occasionally she would do some mischief with either of them.

She also like Shinichiro where at one time she ask him to marry her so that he doesn't have to look for a job anymore.