You can start by looking on fanfiction websites like Archive of Our Own (AO3). It has a vast collection of fanfics, and you can simply search for 'Arya Stark time travel' in the search bar. Another option is FanFiction.net. There are often many different takes on Arya's time - traveling adventures there.
Well, Tumblr can also be a great place to find Arya Stark time travel fanfiction. A lot of fans post about their favorite fics or even write short snippets themselves. Additionally, Reddit has some dedicated subreddits for 'Game of Thrones' fanfiction. You might be able to dig up some really interesting Arya - centric time travel stories there.
The best chapter pointer here is Chapter 133, "Teacher Du, Please Reconsider the Termination of the Contract". It opens with Watching Jiang Li and the others finish their meal and tidy up the table,... and closes on It was only after she shared the concept and purpose of the show with him....
Look to Chapter 151 for the clearest answer. It begins with Now it was Zhang Cheng's turn to be confused., keeps building through The problem lies with He Yun?, and lands on I will have my assistant pay the bill.. That makes it a reliable bookmark because the chapter closes with Was he...
Look to Chapter 188 for the clearest answer. It begins with With a "snap," the pencil Jiang Cheng was using to draw broke on the paper., keeps building through He looked up, the cold glint behind his glasses sending shivers down one's..., and lands on I haven't even said anything yet, Zhou, why so.
Look to Chapter 156 for the clearest answer. It begins with Flash Change, who was always tardy, was late again today., keeps building through It was only six in the morning, but Jiang Li's live streaming room lit up., and lands on Soon after, the meditative He Yun also walked over..
Look to Chapter 112 for the clearest answer. It begins with These five people are supposed to be at odds., keeps building through When did they become so in sync?] [I'm dying of laughter hahaha why is..., and lands on [Hahahaha why is the Princess starting to look disappointed?] [Help, even....
If you want the clearest chapter reference, go to Chapter 132. Early on, The new girl in the live-streaming room went crazy.; later, the chapter leans on Who is this handsome guy???" "Ahhh, so handsome, I'm gone, where is the....
The best chapter pointer here is Chapter 173, "Su Yinwan, You Did It on Purpose, Right?". It opens with Jiang Li finally rose from her seat. and closes on Yet Miss Su went out of her way to ask me not to be angry..
Chapter 169 is the strongest chapter-level answer because it starts from Everyone: "What?!" Seeing the shocked and bewildered expressions on their... and follows through on Wen Jiaojiao, as if to prove herself to Jiang Li, rolled up her sleeves....
The best chapter pointer here is Chapter 131, "This Lady is Here to Travel". It opens with Just around mealtime, Director Sun came over pushing his small food cart. and closes on Hungry, they no longer cared about their appearance, quickly washed their....
A practical answer is Chapter 154, because it turns the idea into a concrete scene. The chapter opens with Hahaha, I'm dying of laughter, Lili, do you really have to be so blunt?"..., adds pressure through It stated two clear characters—"Jiang Li., and ends on Helplessly, Director Sun could only.