Their main purpose was accessing the Moon Cell and spreading the means to access it. The data they gathered was placed into a document that spread around, and while normal people could not utilize it, magi used it to enter the Holy Grail War. Rin gave an interview in the December 2032 issue of Fate/the Fact, an "Internet Deep Culture Magazine", where she explained her role in the group and talked about the nature of the Moon Cell. She was actively pressed into it by her master for public relation activities, and she was paid for doing it. She clearly states that "the Holy Grail War has begun." Upon hearing about the Holy Grail War from the resistance, she formally accepted the mission to ascend to the Moon and defeat Harwey, but would require a capable master that would help her.

"damnit, I hate waiting for my support." Rin muttered ,she has long black hair with red streaks behind her head styled into twintails and aqua eyes. Her clothes are similar to her counterpart but with some differences instead of stockings she wears long black boots and instead of a red sweater a tight top with the same cross symbol.