[Itsuki's tentacles pause when touched, shrinking away from her hand. That was a... weird place to be touched. Like being a hermit crab moving from one shell to another, and having your abdomen touched while loose. They were a mix of strange textures, ranging from soft and smooth to loose, segmented skin, to thick chitinous shells overlapping and yet surprisingly flexible.]

Eugh... That's just my??? Body???

[Of course he's no human. Had he not mentioned that?]

Yes! I am not human. Hence why my regeneration would not work for a human. It would require removal of the human brain. And... replacing it with another organism.