The most popular BL manhwa usually have a combination of factors. They might have unique plot twists, beautiful illustrations, and characters that people can relate to or find charming. Also, the way the relationships between the characters are portrayed can make a big difference.
I think it's often because of the engaging storylines and well-developed characters. Good art also plays a big role in attracting readers.
A practical answer is Chapter 69, because it turns the idea into a concrete scene. The chapter opens with Since the phones issued by the program team couldn't log into Weibo, Wen..., adds pressure through He knew his charm was undeniable!, and ends on Wen Jiaojiao immediately hugged her arms.
The best chapter pointer here is Chapter 77, "Why are you sabotaging me again?". It opens with Wen Jiaojiao's reminder calmed Shu Yan down. and closes on But who knew that the next second, the lottery box would be handed over to....
If you want the clearest chapter reference, go to Chapter 31. Early on, Before Shen Lan had reached the backyard, she already heard the sounds of...; later, the chapter leans on Facing the freshly risen morning sun, she noticed at a glance the girl....
Look to Chapter 62 for the clearest answer. It begins with Sitting on the edge of her bed, she pondered for a while before lifting..., keeps building through The moment the door opened, she saw her photographer with his hand still..., and lands on Jiang Li reached in, pulled out a piece of paper.
Chapter 32 is the strongest chapter-level answer because it starts from You should know, an ID photo is like a mirror for demons. and follows through on With airflow comes water flow, and your fortune will naturally improve."....
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....
The best chapter pointer here is Chapter 16, "He Actually Fell Asleep". It opens with Just as the words fell, Jiang Shixu swiftly cast his eyes downward. and closes on Jiang Shixu panicked, set down the bowl, and reached forward to grab her....
If you want the clearest chapter reference, go to Chapter 52. Early on, The village chief and the woman behind him exchanged a glance, "This...; later, the chapter leans on might not be a good idea, you guys are still filming, we don't want to....
Chapter 88 is the strongest chapter-level answer because it starts from She wanted to refuse, but didn't have the courage to do so. and follows through on Let's go," Jiang Li said in a soft voice..
Chapter 26 is the strongest chapter-level answer because it starts from Shen Lan was bent over processing a large stack of press briefs on her... and follows through on If you think you can use our family connection to have me handle this....