A single panel. Deep underground, in a forgotten Otsutsuki dimension, a young girl with Naruto's whisker marks and Kaguya's Byakugan opens her eyes. She is trapped in a crystal, a shinobi headband at her feet—the symbol of the Rain village crossed out. Beside her, a journal with a single entry:
Suddenly, a Claw Mark rips open behind them. Jura steps out—not in his full giant form, but as a smaller, faster, humanoid predator. He doesn't attack Boruto. Instead, he smiles. "You think the seal in Uzushio will save your father. But Uzushio has no seal left, Boruto Uzumaki. I already consumed it." Boruto Two Blue Vortex Manga Ch 81
Back in Uzushio, Sarada and Mitsuki find the seal chamber—but the central altar is shattered. Inside is a single broken horn, pulsing with dark chakra. Sarada touches it and gets a vision: Jura, years ago (in Otsutsuki time), tearing through the Uzumaki shrine and absorbing the "memory of sealing." The horn is all that remains. A single panel
Flashback to earlier that day. Shikamaru (now the Eighth Hokage) explains to Sarada and Mitsuki that before Naruto and Hinata were sealed away, Naruto left a final contingency: a key to a seal that predates Kaguya, hidden in Uzushio. "Boruto and Kawaki both have Otsutsuki powers," Shikamaru says. "But the Ten Tails' original husk—the one Jura came from—has a weakness. A 'Seal of Origin' that can reset its will to zero. Without that, Boruto's plan to save your father is just suicide." Beside her, a journal with a single entry: