Well, it might involve experiments related to his Uzumaki heritage. Konoha could be trying to unlock some hidden abilities of the Uzumaki clan through Naruto. They could be testing his stamina, his ability to recover from injuries, or even his potential to use new types of jutsu that are unique to his clan. This would likely put Naruto in a lot of danger and also cause him to feel a great deal of distrust towards Konoha.
In such a fanfiction, one possible scenario could be that Naruto is experimented on for his unique chakra. Maybe Konoha scientists, in a bid to understand the power of the Nine - Tails within him, conduct various tests that are both physically and mentally taxing for Naruto.
The best chapter pointer here is Chapter 74, "Ordinary People". It opens with Having seen Jiang Li's ID before, he knew that this person named Shiguang... and closes on The man's phoenix eyes narrowed slightly, he looked at the girl sitting....
Chapter 129 is the strongest chapter-level answer because it starts from When they saw that the live chat was full of praise for Jiang Li, those... and follows through on With that thought, he smugly turned on his phone..
A practical answer is Chapter 86, because it turns the idea into a concrete scene. The chapter opens with After over an hour of fuss, it was finally time to eat., adds pressure through Having tasted the tomato and eggs again, Wen Jiaojiao sighed in relief,..., and ends on But then her expression.
A practical answer is Chapter 124, because it turns the idea into a concrete scene. The chapter opens with Since there were too many points cards inside Jiang Li's barrel, Director..., adds pressure through Always so impolite to Director Sun, that's a bit too much.], and ends on No need to repeat.
If you want the clearest chapter reference, go to Chapter 71. Early on, Shu Yan curled her lips with a hint of jealousy, "When can it be my turn...; later, the chapter leans on Who in this circle didn't know that Jiang Li had a thing for the....
A practical answer is Chapter 103, because it turns the idea into a concrete scene. The chapter opens with Jiang Yan looked at Zhao Lang with suspicion, eyeing the dark substance in..., adds pressure through At least he's not denying his debts.], and ends on Jiang Yan felt deep guilt welling up.
A practical answer is Chapter 82, because it turns the idea into a concrete scene. The chapter opens with Jiang Li gave her a fleeting glance., adds pressure through Therefore, he immediately decided to add another task on the spot to gain..., and ends on And so, aside from Wen Jiaojiao, the.
If you want the clearest chapter reference, go to Chapter 105. Early on, But this did not elicit any sympathy from the woman on the phone; on the...; later, the chapter leans on Do you know why you haven't been getting good roles or making money these....
Chapter 79 is the strongest chapter-level answer because it starts from Jiang Li leisurely said, "I bought this weeding machine, and according to... and follows through on Um..." Wen Jiaojiao bit her lip, "Could you, could you lend me the weeding....
Look to Chapter 118 for the clearest answer. It begins with At 8 in the morning, several guests appeared on time next to the..., keeps building through Seeing the five individuals walking together in unison, Director Sun was..., and lands on Hearing this, both Jiang Yan and Shu Yan started to.