|This is the article on the story arc. For other uses, see Ao (disambiguation).|
The Ao Arc (青編, Ao-hen) is an arc of Boruto: Naruto Next Generations. It spans from volumes 5 onwards and covers chapters 16 to 23. It is preceded by the Mujina Bandits Arc and is followed by the Kawaki Arc.
As the Inners of Kara are summoned to a meeting by Jigen, he informs the members that the vessel has been lost. As two members voice their frustration, the elder of the group reassures them everything will be fine. Jigen informs the elder that Amado is absent due to being reassigned to another mission. He mentions that while their group accounted for a loss in time, the event was a preventable human error. As the elder suggests they should mobilise an Outer to collect data on the new Scientific Ninja Tool, Koji voices his desire to handle the situation himself, which the group allows him to do. Concluding the meeting, Jigen ends the genjutsu. Afterwards, the elder curses Koji and the members that mocked him, leading to Koji revealing himself to the man, and explaining he was present with him before the meeting started. Preparing to attack Koji, he is struct by a kunai and set ablaze. Overcoming the elders' regeneration jutsu, he dies, leading Koji noting that he's linked to Konohagakure.
In Konoha's Training Hall, shinobi watch Boruto and Naruto fight. Using shadow clones to distract his father, Boruto throws his Rasengan at Naruto, which vanishes before him. Not sure how his father countered his technique, Boruto attacks with lighting-infused waves, which Naruto blocks with his Earth Release wall. Impaling the wall with his hand, he absorbs the techniques with hand. Noticing the hand is still situated in the wall, Naruto appears behind Boruto, and swifts kick the genin, prompting Shikamaru to end the duel. Looking over at Naruto, Boruto notices his father his missing his right hand with in still in the wall, followed by Naruto telling Boruto he's got stronger.
At the Hokage office, Boruto is informed Naruto's hand was a Scientific Ninja Tool, which outrages him. Naruto explains he instructed Katasuke to make the tool after getting the idea from the battle against the Ōtsutsuki clan, and goes onto explaining its mechanics. Still outraged Naruto, Sasuke arrives, and tells his student that the tool itself isn't wrong, but the key is how you use it. On the Land of Fire border, Konohamaru and Mugino investigate a crashed blimp. Discovering a containing inside it, something approaches them in the distance.
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|#||English title||Kanji title||Romaji title|
|20||"Scientific Ninja Tools "||科学忍具||Kagaku Ningu|
|21||"How You Use It"||使い方||Tsukaikata|
|22||"The Conclusion to a Fierce Battle!"||激闘決着!||Gekitō Kecchaku!|