The Tou’s spend
Tenri Sazanami uses short blades and a Datenseki tool the clan should not have treated as a product. Sojo already died proving unstable Datenseki pops the user. Tenri dies the same mineral death inside a house that warehouses people. Fulfill, chapter 43, is a duty title before the curtain. The stone is in that corridor.
Hakuri is not the brother who volunteered for the pop. He is the leftover who inherits Isou and the Storehouse after the building has spent a son. The Tou as household military included Soya, Tenri, Tamaki, Enji. One grave is mineral. One heir crawls out blank. One error walks.
Why the stone matters later
Part 2’s kiln is Datenseki into tamahagane under eyes that can look at the ore. Tenri’s pop is the auction-house version of the same mineral without those eyes. Hakuri later hides Magatsumi when the HQ barrier splits. The brother who died on a fake is why the living one knows the house was never a religion. See Tenri and the stone.
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