The Tokyo Ghoul manga is better because it has more detailed world-building and allows for a slower pace to absorb the complex themes. The anime may cut out or simplify certain plot points to fit the time constraints.
The manga of Tokyo Ghoul has a greater level of artistic freedom and can explore darker and more nuanced aspects that might be toned down in the anime for a wider audience. Also, the manga doesn't have to worry about animation budgets and can focus purely on the story and visuals the creator envisions.
A practical answer is Chapter 70, because it turns the idea into a concrete scene. The chapter opens with So, under the curious gazes of everyone, Jiang Yan strutted up with his..., adds pressure through Back at the airport, He Yun hadn't even greeted her., and ends on He Yun was also surprised as.
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....
Look to Chapter 81 for the clearest answer. It begins with Qi Tianyu, who chose curry beef rice, received a piece of curry and a..., keeps building through Shu Yan was relatively lucky, she got a bundle of noodles and a bag of..., and lands on The summer on the Southwest Plateau is no joke;
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....
If you want the clearest chapter reference, go to Chapter 97. Early on, Suddenly, Jiang Li's livestream room was packed with people, and the...; later, the chapter leans on [I came from Weibo's trending topics, is Master Jiang really that awesome?.
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.
Chapter 115 is the strongest chapter-level answer because it starts from Jiang Yan was woken by a loud crowing noise. and follows through on [Pure bystander, wasn't Jiang Yan known as a notorious playboy?.
A practical answer is Chapter 72, because it turns the idea into a concrete scene. The chapter opens with Jiang Yan was still griping when suddenly a fair hand reached out beside..., adds pressure through [HAHAHAHAHAHA, this is the first time I've seen Director Sun speechless.]..., and ends on.
Chapter 68 is the strongest chapter-level answer because it starts from Jiang Li carried the noodles straight out of the kitchen and came to the... and follows through on But didn't Uncle Zhao say he was still sick?.
If you want the clearest chapter reference, go to Chapter 101. Early on, Jiang Li walked over to the slope where the two had fallen down.; later, the chapter leans on Below the small hill was nothing other than a large patch of sludge..