Responses
maybe she’s obsessed with kurumi and wants to keep her by her side but can’t cause kurumi wants to find hikari
That does seem like the most likely scenario, but its a pretty cruel thing to do, so I wonder if they'll actually go that route, or if she'll have a more morally correct reason.
Oh, so I'm guessing that Sayaka went to the science faction, learned that the Familie group is experimenting on children and using them as livestock, and saved Kurumi.
It doesn't really mesh well with the continuous use of memory blockers to prevent her from leaving her side though. I wonder if every character Kurumi meets will use her for their own personal gain.