My guess is that in the next chapter they'll betray him in order to escape and at that point he'll realise that they're worthless and either kill them or let them be killed (with probably having the guy who saw the interface miraculously survive to be one of the antagonists later in the...
@Evilmambapower This should be the fourth volume of the light novel, I'm not quite sure because I've read them ages ago and now I'm at volume 8, but I'm fairly confident that's the right one.