[There may have just been a small mental chuckle at the need to differentiate what kind of infiltrate he was talking about.]

Sounds like a good idea; if anything's going to blow up spectacularly, it'll probably be between them. Not sure yet how the Asian side of things play into all this, but judging from the brat that Naoto-kun is acting like, I'm guessing not all that important.

[Which... probably meant things had a possibility of exploding just purely for the sake of exploding. Still not anything any of them were going to want to deal with.]