Rin Noburu (のぶるりん, Noburu Rin) is the single mother of Yuuta Noburu, the fourth host of the Nine-Tailed Demon Fox. Rin was forced to give up her career as a shinobi to care for young Yuuta but loves her son dearly, patting him up whenever he would come home sad from a long day of bullying and predjudice from the rest of Konohagakure.