You can start by looking on fanfiction.net. It has a huge collection of Naruto fanfics, and you can use the search function to look specifically for ones related to Pein. Another good place is Archive of Our Own (AO3). It has a more diverse range of fanfics, including many with unique takes on Pein's character.
Look to Chapter 56 for the clearest answer. It begins with Lei Shen originally had no idea about the trending topics on Weibo., keeps building through He had been busy renovating his studio for a while and hadn't even had..., and lands on At this moment, Lu Xingchao was still in the dark..
A practical answer is Chapter 79, because it turns the idea into a concrete scene. The chapter opens with Jiang Li leisurely said, "I bought this weeding machine, and according to..., adds pressure through Many had even spontaneously formed a fan group for Jiang Yan, promoting..., and ends on.
Look to Chapter 125 for the clearest answer. It begins with Next, it was Qi Tianyu's turn., keeps building through Although he didn't know what Jiang Li had chosen, just from her recent..., and lands on He deliberately chose the most inconspicuous wheat seeds..
Chapter 94 is the strongest chapter-level answer because it starts from Jiang Li really has some skills, being able to figure that out." "Can the... and follows through on Brother is going to dress you up; look how pretty this outfit is."....
If you want the clearest chapter reference, go to Chapter 81. Early on, Qi Tianyu, who chose curry beef rice, received a piece of curry and a...; later, the chapter leans on Shu Yan was relatively lucky, she got a bundle of noodles and a bag of....
Look to Chapter 97 for the clearest answer. It begins with Suddenly, Jiang Li's livestream room was packed with people, and the..., keeps building through [I came from Weibo's trending topics, is Master Jiang really that awesome?, and lands on And you believe what she says?.
If you want the clearest chapter reference, go to Chapter 91. Early on, When Jiang Li saw that he had been assigned a harrow, Qi Tianyu felt his...; later, the chapter leans on My tool couldn't possibly be a shovel, could it?" Director Sun chuckled....
Chapter 85 is the strongest chapter-level answer because it starts from Facing everyone's skepticism and curiosity, Jiang Li explained fluently:... and follows through on This fresh and vibrant flavor blended perfectly..
The best chapter pointer here is Chapter 96, "Can't Easily Forgive the Scumbag!". It opens with Jiang Li's words seemed absurd, yet there also seemed to be a trace of... and closes on Xu Ling couldn't contain her soft sobbing, "How could this happen?.
Look to Chapter 97 for the clearest answer. It begins with Suddenly, Jiang Li's livestream room was packed with people, and the..., keeps building through [I came from Weibo's trending topics, is Master Jiang really that awesome?, and lands on And you believe what she says?.