It depends on personal preferences. Some might consider it the best, while others have different favorites.
Well, it's hard to say if it's the absolute best. It has its strengths, like a compelling story and interesting characters, but whether it's the best varies from person to person based on what they look for in a manga.
A practical answer is Chapter 2, because it turns the idea into a concrete scene. The chapter opens with On the top floor of the Financial Building, a gathering of dark clouds..., adds pressure through In my opinion, Mother should kick out this troublemaker who's a stranger., and ends on Jiang.
Chapter 696, "I Am a Very Narrow-Minded Person", is the clearest early answer because the buildup finally cashes out in a real clash. It opens with But she heard Jiang Li say, "Mom, you don't need to be anxious, I'm... and closes on Thirty million." Lin Manru's eyes widened in surprise..
Chapter 605, "The Plan to Surround and Annihilate Team Q Commences!", is the clearest early answer because it turns Gu Yu's situation into a concrete plot event. The chapter gives readers a real answer by opening on The thirty-odd people lurking by the shore were just like today's...
Chapter 686, "Why Not Make Him Mute?", is the clearest early answer because it turns Shao Changqing's situation into a concrete plot event.
Chapter 932, "Gu Pansheng [Extra · Main Character Chapter]", is the clearest early answer because it turns Jiang Yan's situation into a concrete plot event. It opens with Gu as in 'Gu Pansheng,' Pan as in 'Gu Pansheng.' I am four years old...
Chapter 920, "College Entrance Exam Results Inquiry", is the clearest early answer because it turns Jiang Li's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Outside the nursing home, Meng WanZhi anxiously waited in the car for...
Chapter 577, "Cat and Mouse Game", is the clearest early answer because it turns Jiang Yan's situation into a concrete plot event.
Chapter 678, "The Biggest Connection in the Circle of Friends!", is the clearest early answer because it turns Jiang Yan's situation into a concrete plot event. It opens with The landlord stood up, maintaining his smile, "Fifty-eight thousand,...
Chapter 683, "This is where you will be filming from now on!", is the clearest early answer because it turns Alright's situation into a concrete plot event.
Chapter 802, "Gone Again!", is the clearest early answer because it turns Bufan's situation into a concrete plot event. The chapter turns that into something concrete by moving from Have you checked the fifth floor? to The moment it happened, the old man instructed everyone not to tell....