It depends. If a manga site is hosting and sharing copyrighted manga without permission, then it's illegal. However, there are legal and authorized manga sites out there.
Some manga sites can be illegal if they don't have the proper licenses to distribute the content. But not all are.
Many manga sites are indeed illegal because they violate copyright laws by offering content without the rights to do so. But a few operate within the law and have partnerships to provide legal access.
Chapter 835, "Is this your way of handling things? So pathetic.", 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 In a private teahouse in the Capital, a few bejeweled wealthy ladies...
Chapter 607, "Confrontation Head-On", is the clearest early answer because the buildup finally cashes out in a real clash. It opens with Several boats hadn't yet crossed when they were directly capsized. and closes on they had found a place to hide as soon as they landed ashore..
Chapter 721, "Apology", is the clearest early answer because it turns Apology's situation into a concrete plot event. It opens with Jiang Li's car had just passed a traffic light when a phone call... and closes on Jiang Li's words continued— "If I'm not wrong about your facial....
Chapter 769, "Su Yinwan Gets into Trouble!", is the clearest early answer because it turns Do's situation into a concrete plot event. It opens with The Jiang Family's banquet caused quite a buzz online. and closes on Take a look yourself." Xiao Xueyi turned on her phone and handed it....
Chapter 850, "Wanted to Recognize Her as a God-Granddaughter", is the clearest early answer because it turns Rong's situation into a concrete plot event. Early on, Though Jiang Li might guess her family situation, he would never know....
Chapter 821, "She Is Qingyang!", is the clearest early answer because it turns Jiang Li's situation into a concrete plot event. The chapter turns that into something concrete by moving from The Yu Family Mansion is a square courtyard, second only to the Wang...
Chapter 809, "Specially Made for You", is the clearest early answer because it turns Great Demons's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Listening to the cries from inside the house that sounded like a pig...
Chapter 810, "I'm Waiting for Death", is the clearest early answer because the violence around Brother becomes final instead of hypothetical. The chapter turns that into something concrete by moving from Jiang Buchen was about to go crazy from hunger.
Chapter 876, "Gu Family's Future Granddaughter-in-law!", is the clearest early answer because it turns Shang Shuyue's situation into a concrete plot event. It opens with Early on the second day, Jiang Li went to the film crew.
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..