 If you liked
Koori no Kuni no Amaryllis
|
 ...then you might like
Ame no Hi no Iris
|
Both novels are written by the same author and both of the stories revolve around automated robots with self consciousness.
The major difference will be that while humans are involved in most of the plots in Ame no Hi no Iris, they literally do not play any role in Koori no Kuni no Amaryllis.
Q: Anymore similarities between these two novels?
A: Both of them are masterpiece. Period.