A birthday party sends Boruto digging into why the once-fearsome head of the Hyuga now clings so tightly to his grandchildren. Between a boastful challenger from Kumogakure and a hard lesson about strength, Boruto learns what truly changed the grandfather everyone remembers as strict.
Worried that their father has grown gloomy without his grandchildren around, Hanabi suggests she and Hinata throw Hiashi a birthday celebration and gather the whole family. Stumped on what to give him, Boruto pulls Mitsuki into a scheme to sneak into the Hyuga compound, only for Hanabi to catch them and admit she has no idea what her father wants either. The visit is interrupted when Gatai, a shinobi from Kumogakure, arrives to challenge Hiashi on the strength of his name. Hiashi has Hanabi turn the man away, as he always does, which leaves Gatai convinced the Hyuga leader is a coward and leaves Boruto more confused than ever.
Reporting back, Hanabi hears her father explain that Hyuga strength was never meant to be about force, a truth he wishes he had understood far earlier, as he gazes at an old photograph of himself with Hinata, Hizashi, and Neji. Later, when Gatai loudly mocks Hiashi at the Lightning Burger, Boruto's temper snaps and he challenges the man himself, dodging his lightning attacks with ease. As the fight threatens to level the shop and Boruto reaches for the Rasengan, Hiashi steps in, accepts the duel in the Hyuga name, and Gatai backs down and leaves.
Hiashi warns Boruto that settling matters through power and fear only breeds ruin and hatred, but refuses to explain the past that taught him this, saying only that he once lived a very different life. Determined to understand, Boruto learns from Mirai that Kurenai once captained Hinata's team, and Kurenai finally tells him about the Hyuga Affair and how it reshaped the man Hiashi became. She points out that this very history is why he treasures every moment with his grandchildren.
On the day itself, Himawari gives her grandfather a scarf, and Boruto surprises everyone by asking for a family photo, a record that they are all happy together, which moves Hiashi to tears. That night, over tea, Hiashi asks whether Naruto planted the idea, and Naruto insists it was entirely Boruto's doing. Grateful, Hiashi thanks him for changing Neji, himself, and the whole Hyuga clan. The next morning he turns up at the Uzumaki home simply wanting to spend time with Boruto, much to the boy's embarrassment.

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Hiashi's Birthday is episode 138 of Boruto: Naruto Next Generations, an episode built around the Hyuga family throwing Hiashi a birthday celebration.
When Gatai arrives from Kumogakure to challenge him, Hiashi has Hanabi turn the man away as he always does, choosing not to prove his strength through combat even though it makes Gatai brand him a coward.
Hiashi warns Boruto that settling matters through power and fear only breeds ruin and hatred, a lesson tied to his own painful past that reshaped how he leads the Hyuga clan.
Boruto learns from Kurenai, after Mirai reveals she once led Team 8, that the Hyuga Affair reshaped the man Hiashi became and explains why he now treasures every moment with his grandchildren.
Hiashi is moved to tears when Boruto asks for a family photo to record that everyone is happy together, on top of Himawari's gift of a scarf.
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View on FandomThis content is original writing by Daddy Jim Headquarters based on the Naruto anime series, manga, and official materials. Episode and chapter references are cited where applicable.
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