It's been a year since the series aired.
But it's a pretty jar that can move and talk in the real world, from what we know of the world, old lady would not be able to adapt as well as Nene (which is an anomaly) before dying. She is stuck in the not real world, unlike the cute cydork which can be cute in both.
I'd rather be a cute, busty, adult woman who preys on the younger girls.
1-6 and yes.
Nerd moe is an uphill battle, consider gandering at Strike Witches, Arpeggio and Girls und Panzer.
According to data available on someanithing.com
>Volume 1 of 6
>Volume 2 of 6
>Volume 3 of 6
>Volume 4 of 6
>Volume 5 of 6
>Volume 6 of 6
No idea about if the manga got a noticeable boost from the anime, but I haven't read any news on any aggregator site dealing with that kind of topic, so it probably didn't get any noteworthy boost either.