|Cause of Death||Drained of Blood|
|Anime Debut||Episode 3|
|Voice Actor||Judy Keith|
- "Is it you, my Nao?"
- ―Setsuko's last words
Wife of Yasumori Tokujirou of the second branch of the Yasumori family. Toshio asks that he let her stay there so he can moniter full time.
Her husband brings her to the Ozaki Clinic.
She was bitten by her daughter-in-law, Nao and many other Shiki, and died despite Ozaki Toshio's efforts to save her life. Like her husband, son and grandson (who were all bitten by Nao), she didn't return to life.