Board Thread:General BlazBlue discussion/@comment-26732688-20161112020356/@comment-25121259-20161123180144

Well, technically speaking, the Master Unit's Will (pre-ancient "sister") is the closest to being his "real" sister and he did promise her that "We'll be together from now on...", although he did kind of consume her "dream"(himself) and erased memory of himself from everyone, so I'm not sure if she would even care about it at that point (unless she is like Rachel) ? Not to mention that it probably wasn't meant in a romantic way ?

As for the rest, well it's a bit more complicated since:

- Ragna is a dream based on (limited) memory of pre-ancient sister's brother (it's unclear if they were actually blood related, or even if their race was human),

- the events were connected by the Origin in such a way, that in a way, Ragna was a child of No.5,

- No.5 was a copy of some version of Saya Terumi,

- Saya(Grimoire) was (incompletely) modeled after No.5,

- Noel was based on Saya(Grimoire) and was actually a Chronophantasma of Origin, she had a portion of Saya(G)'s and a portion of Origin's soul,

- Nu was based on Saya(G) and also had a fragment of Saya(G)'s soul (? not sure ?), but she became her own invidual (the soul sublimated and evolved),

- Lambda was also based on Saya(G), she later was given a portion of Nu's soul, but she became her own invidual (the soul sublimated and evolved),

- Noel later combined with Izanami, whose body was that of Saya(G), which contained a portion of Saya(G)'s and a portion of Origin's soul (the portion responsible for the Drive) and even later on, she combined with Origin's body and whatever was left there of her soul.