Well, perhaps they time travel and find themselves in a time where ninjutsu doesn't exist yet. Sarada, who is used to relying on her Sharingan and ninjutsu skills, has to learn new ways to fight and survive. And Sasuke, he might struggle with the idea of a world without ninjutsu as it's such an integral part of his identity. This would completely change their dynamic and the way they interact with the people in that time period.
One interesting plot twist could be that when they time travel, they end up in a world where the Uchiha clan was never massacred. Sasuke would have to face a completely different reality where his family is alive, but he also has to figure out how this new world affects the future. Another could be that they travel to a time when a great enemy from the past is still alive and they have to team up with their ancestors to defeat it.
A practical answer is Chapter 212, because it turns the idea into a concrete scene. The chapter opens with Although she appeared outwardly flattered, in fact, her heart was already..., adds pressure through Could it be that the sister's anti-fan who cursed her on Weibo was Jiang..., and ends on.
Chapter 261 is the strongest chapter-level answer because it starts from The village chief's eyes nearly popped out after he heard the whole story. and follows through on Is it necessary to be so guarded against me?.
The best chapter pointer here is Chapter 258, "Explosive! Jiang Li and Director Sun Are Having an Affair!". It opens with Just when everyone in the livestream room was immersed in the lively and... and closes on Is Jiang Li really having an affair with Director Sun?] "[What the hell?.
Look to Chapter 230 for the clearest answer. It begins with Shang Shaojing's expression wasn't looking too good either., keeps building through He had always been the winner in any field, and there had never been an..., and lands on If he knew that your stepmother was secretly prompting you.
Look to Chapter 237 for the clearest answer. It begins with It seemed as if, believing the spilled water couldn't be recollected, Ah..., keeps building through Why did I do this?" "Senior, have you forgotten your own glory?" "I..., and lands on The netizens responded in chorus, and no one insisted.
Look to Chapter 216 for the clearest answer. It begins with The production team also took advantage of the situation to start an..., keeps building through The enthusiasm has not dwindled over time., and lands on However, the next second, He Yun, who had hardly ever spoken to him,....
Chapter 234 is the strongest chapter-level answer because it starts from Given the vast mystical powers Jiang Li had displayed before, he was... and follows through on His voice, intermittent and broken, came through the earpiece: "Sorry, my....
A practical answer is Chapter 252, because it turns the idea into a concrete scene. The chapter opens with In fact, Jiang Yan's shirtless appearance this time was entirely Jiang..., adds pressure through They are all sitting in front of the screen watching you now." Jiang Li..., and ends on Aren't.
If you want the clearest chapter reference, go to Chapter 246. Early on, At that moment, not only Su Yinwan but also Shang Shaojing's complexion...; later, the chapter leans on Beside them, Shu Yan wore the shocked expression of someone who had got....
Chapter 220 is the strongest chapter-level answer because it starts from I know everyone has many questions, and I'm here to answer them one by... and follows through on However, Su Yinwan and Shang Shaojing weren't particularly attentive to....