User blog comment:HollowKing17/Mayuri's Experiment/@comment-4207271-20130614040450/@comment-8295743-20130614043903

Well, that may be what Nemu is. We know she is a Soul Candy inside the body of a gigai which somehow contains Mayuri's genetic structure. Her personality is almost non-existent, and seems like she was "built" to follow Mayuri's orders. She may be a Mod Soul illegally created by Mayuri.