From the outside, it doesn't appear that 9S is moving. As an advanced android, hacking doesn't usually take long at all.

Still... He's not sure what he expected in hacking space, given all this reference to some 'surprise', but he isn't really expecting there to be what appears to be some kind of living area.

And if that's the case, that means there must be someone, something, living in here. Some kind of AI? Curious, he enters.

"...Hello?" he calls out within hacking space. His voice would only be heard by Pod 153 and anyone else occupying hacking space.