Board Thread:Questions and Answers/@comment-200.246.78.2-20160915180503/@comment-26356785-20160921150837

Кримера wrote: Not Mu, Noel. Noel is the Master Unit, she has power to change the world in Embryo.

She isn't the Master Unit, but somehow between CP and Act1, when she (as Mu) was devoured by the Black Beast Ragna, and acknowledged the truth of the world, making her to despose of Kusanagi, and being related to Amaterasu.