Very happy snake! "Thanks," she says, wrapping a few coils around it and starting to roll it back towards the bedroom.

"Let me know if you get stuck on it! Also, I've got it handling the language well enough that you should be able to use voice commands if those are easier."

"Voice commands sound fun!" says Shiromi, who really would much rather have a machine she can talk to.

"I'll see what works," says Kusana.

"Let me know if you get stuck."

"Sure. If finding you's a problem I might have Sasuke email you," says Kusana.

"That works! Or come bother my botherable clone in my apartment."

"Going that far's sometimes a bother, but I might if Sasuke's out."

"Up to you. Elevator has a snake hole and floor-level buttons now, if you haven't seen it."

"I saw! That does make the distance a lot less far."

"Enjoy your computers!"

The snakes thank him again, each heading off, and Sasuke looks over.

"I think we still didn't come to a decision about the Rinnegan," he says.

"That's true, we did not."

"We should try to sooner rather than later."

"So the obvious options are putting one in you, seeing if it works with an undead, asking Naruto, trying a daeva, or skipping it, yeah?"

"Pretty much. I'm not sure modifying the bodies of the undead is possible, since they regenerate."

"They're less fragile and that means I could try something I wouldn't want to do on a live person, like making the eye in such a way that it pops the old one out, already attached to everything. I don't know if that would preempt regen."

"...I have no idea if they meaningfully have biologies, but that sounds like a good experiment."

"There's ways and ways of not having biologies. They look human; where are you imagining adding a biological eye breaks down?"

"There's unlikely to be anything for it to connect to; the technique alters the sacrificial body into one of ash, from what Orochimaru wrote, and that ash is animated by the soul of the one summoned."

"Well, that's weird but doesn't suggest it'd be actually dangerous..."

"And if it works it'd be valuable."

"Yes. Who'd be your pick?"

"Either of the Senju, of the ones we have now - Tobirama and Hashirama. Tobirama will probably be more thorough in reporting side effects."

"He seems like a good egg, I'd be up for trying it with him. Hashirama I haven't talked to much."

"Hashirama's a lot like Naruto, just more mature. I've been talking to him a lot, especially about politics and history. The Hidden Villages were his and a friend's idea, to try to end the practice of child soldiers and make peace."