My suspicion was correct. Nana is Kurama's daughter. Still, could someone explain that whole diclonius looking into the mind of Kurama? What did they do to him? And why did he come an agent to stop them because of that? It looks like he can't or they won't kill him.
i think she gave him the virus when she did that thing. and thats why his baby was also a diclonius

Eurasian, I don't think that girl was Lucy. They all looked alike, and I think it was mentioned that they all came from the same area at the same time. Lucy is probably the queen, since she is the only one that can actually reproduce. Everyone else is like her drone carrying genetic material to spread around, it seems. I think that the experiments killed a lot of the diclonius. That is why the director ordered to kill new diclonius that are born because there were too many of them.

The canon-balled diclonius died. The one shot in the head died. I think the one where the police was at also died (shot to death). They all look so much alike. I think Lucy has the darkest red color hair, however.
that was all lucy i think. she never died, they said that she was faking her development thats why the bullets didnt work on her. and lucy isnt the queen the one in that big sealed chamber probably is.