Who is he, indeed. He would be happy to answer that question--to a degree--if Yusei were only to ask, but as he does not, zaShunina does not explain.

"I, too, harbor this desire." He nods, placing one of those disembodied hands over his chest. They will talk again, but for now, he wants to think about the information Yusei has given him so that he might have a more enlightened perspective when next they speak.

"I am Yaha-kui zaShunina." He finally introduces himself, and extends the other floating hand toward Yusei. "What is your name?"