About the beam power, like said Musubi in Noise: ¿¡ I can regulate the potency!?
I think that Killy also can...do this with his pistol

Well this it's the fail of two circles and the line in the GME of Sanakan when she has the GA form. Logs 53 and 55.

By the way Sanakan never went inside Toha Heavy Industries, in Safeguard or child form, until the directive was cancelled by the central AI. You're confusing places, Sanakan only remained in child form until she got to the fishermen's settlement on the outside of Toha. That was when Killy blew her cover. Then that led to the huge battle and Cibo getting killed, after which she took over Sanakan's body. Sanakan was just retaking control of her body when Killy grabbed her and threw her inside Toha, which gave control back to Cibo.
As for the holes on the gun, [i]that is[i] a continuity error, as far as I can tell. That kind of graphical continuity error doesn't bother me much though. At least the plot is very solid.

Sanakan walked in when Cibo broke open the seal on the door that the fisherman couldn't read the kanji.

Ok, I'd forgotten about that part. She actually does go in for a little while in child form. I guess it could be a continuity error after all, or the part where they entered was some sort of lobby where the directive wasn't enforced, or the system just didn't catch her because of her disguise. Still it would've been better if Sanakan just said she'd wait outside because she was scared or something; I mean, she's a child so nobody's going to make fun of her for it.

ergates: I don't see why you're perplexed. I mean, the plot does flow in an unusual way and a lot of it is implied in the sequence of images instead of dialogue. But if you put some thought into it, it does make sense generally, and the parts that don't make much sense are not things that are downright wrong or anything; just ambiguous.