I need to put up some black-white rat countermeasures.

This is exactly the kind of moment when she's about to come snooping.

Goodness me~ No doubt this is a high-class rarity.

I can't let my guard down for a second.

Predefined orders for an automatic defense...

The doll-using doll—

That's right. Before I get deciphering...

Even that absurdly large library probably doesn't have many of this level left, hmm?