**Height:** 160cm
A strict and knowledgeable teacher from Hebijo with mysterious ties to Kiriya and Daidouji.
SpoilerInitially a Hanzo student named Rin, she used to be a promising and cheerful future shinobi who dreamed of becoming what she referred to as a "Super Ninja", capable of changing the world. At some point, however, she staged her death and defected to Hebijo's side, with Kiriya convinced that she died after attempting to create interlocking Shinobi Barriers.SpoilerShe had actually succeeded in creating interlocking Shinobi Barriers, largely thanks to teaching Haruka the puppetry skills that'd eventually become her signature technique and subsequently integrating them into her creation.