I am not happy that things have reached this point. Seeing intruders like them trying to raid the house of my parents since we are currently here means they are trying to hold us captive and use our chances to find the Tree of Life while we are captive. I can see it from miles away why they can do this.
It seems Nobuhiko will do anything in his power to get what he wanted to get. But if he goes to this kind of extreme, then there is no point in helping him at all. No one else aside from Nobuhiko has the way to use these guys as a way to capture us.
Not only they are produced by the Nexus, but they are also sold in the future as well for AI companions. They are efficient and they don't leave a corpse when damaged and killed, making them easily disposable servants that can be used for any job. However, the moment I knew what they are, the easier I have time with them and I don't need to worry about leaving any kind of evidence.