Hamura had heard his mother mention Isshiki before. Like Otohime, he belonged to the Otsutsuki Main Family.
But when Kaguya's conflict with Isshiki and her betrayal took place, the brothers Hagoromo and Hamura might not even have been born yet.
Kaguya had never mentioned it to them, either.
Hearing Naruto bring it up now, Hamura immediately grew wary.
His first reaction was suspicion, and then he looked toward his mother.
He wanted to return to the Pure Land immediately and verify this with his elder brother, who watched over the Shinobi World.
But on second thought, his soul was currently inhabiting a puppet. Once he left, only Naruto, Otohime, and the sealed Kaguya would remain in this Sealing Space on the moon.
What if Naruto took advantage of his absence to break the seal by force?
For a moment, Hamura found himself caught in a dilemma. He stayed.
Meanwhile, inside the seal, Kaguya grew agitated the instant she heard the name Isshiki.
"Impossible!"
Kaguya's voice rang out from within the seal, unusually shrill.
"Isshiki... I ambushed him back then, and the Ten-Tails ate him. How could he still be alive?"
The news came as an enormous shock to her.
Isshiki had been swallowed by the Ten-Tails. He should not have had time to undergo rebirth the way Otohime had.
"Hmph. Ignorant."
Standing to one side with her arms folded, Otohime answered Kaguya and Hamura's question in a tone of superiority:
"The so-called Kāma is a technique through which an Otsutsuki copies all of their own data, converts themselves into data, and implants it into another living being.
"The recipient is called a 'vessel.' A black, diamond-shaped mark appears on the vessel's palm as the initial sign. That mark is Kāma.
"It is a lifesaving technique that allows an Otsutsuki to