The player might change the title and his name associated with the novel so that it becomes difficult to trace back to him. He could also use some legal means like copyright restrictions to limit its availability if possible.
Maybe he is ashamed of it. Some past works might not be up to his current standards, or perhaps there are elements in the novel that he doesn't want to be associated with anymore.
It can create suspense. Readers will be curious about what he is hiding and keep reading to find out. For example, it might be revealed gradually through flashbacks or other characters' investigations, which adds an element of mystery to the story.
Since I don't have in - depth knowledge of this light novel, it could be that the 'player' has a dark or complicated past. Maybe he was involved in some sort of scandal or had a difficult upbringing. The story might show how his past affects his current actions and relationships within the context of the light novel's world, whether it's a virtual game world or some other fictional setting.
I don't know for sure as I haven't read it. But most likely there is the player himself who is the central character. There might also be friends or foes he interacts with who play important roles in either trying to uncover his past or helping him keep it hidden.
Maybe he has some dark secrets in his past that he doesn't want to be known. For example, he might have been involved in something illegal or unethical that could damage his reputation in the world of the web novel.
The Third Prince's fondness for Ling Buyi was hidden in the details. When Ling Buyi's old injuries returned, only the Third Prince wanted to visit him. At the banquet, when the Fifth Prince had teased Cheng Shao Shang, he knew that Ling Bu Yi liked Cheng Shao Shang, so he had taught the Fifth Prince a lesson. These details showed the Third Prince's care and love for Ling Buyi.
The Third Prince's love for Ling Buyi was hidden in his heart. In the search results provided, there were a few documents that mentioned the Third Prince's care and love for Ling Buyi. For example, when Ling Buyi's old injuries had relapsed, only the Third Prince wanted to visit him. At the banquet, when the Fifth Prince had teased Cheng Shao Shang, he knew that Ling Bu Yi liked Cheng Shao Shang, so he had taught the Fifth Prince a lesson. These details showed the Third Prince's care and love for Ling Buyi. However, the search results did not provide any clear information on whether the Third Prince's love for Ling Buyi was hidden in his heart. Thus, it was impossible to determine if the Third Prince's love for Ling Buyi was hidden in his heart.
The Third Prince's love for Ling Buyi was hidden in the details. He had wanted to visit Ling Buyi when his old injuries had relapsed, and he had even taught the Fifth Prince a lesson for flirting with Cheng Shaoshang, whom Ling Buyi liked. These details showed the Third Prince's care and love for Ling Buyi.
The Third Prince's love for Ling Buyi was hidden in his heart. In the search results provided, there were a few documents that mentioned the Third Prince's care and love for Ling Buyi. For example, when Ling Buyi's old injuries had relapsed, only the Third Prince wanted to visit him. At the banquet, when the Fifth Prince had teased Cheng Shao Shang, he knew that Ling Bu Yi liked Cheng Shao Shang, so he had taught the Fifth Prince a lesson. These details showed the Third Prince's care and love for Ling Buyi. Thus, it could be said that the Third Prince's love for Ling Buyi was hidden in his heart.