It's hard to predict. Usually, new chapters come out based on the author's schedule and the publishing process. You could check regularly with the platform where it's hosted.
Often, in such manhwas, the princess becomes the queen due to various factors. It could be because of her noble birthright, her ability to handle political intrigues, or her kindness and wisdom that win the hearts of the people and the support of important allies.
I'm not sure specifically as I haven't read it yet. But generally, it might be about a female character who has some kind of power or influence in a shadowy or mysterious world.
The update frequency of Queen Bee manhwa isn't set in stone. It might be influenced by various factors like the author's creativity process or editorial decisions. Sometimes there can be longer gaps between updates, while at other times they might come more frequently.
The 'Shadow Queen Light Novel' could potentially revolve around a character who is in the shadow, meaning she may not be in the spotlight initially. It could be a story of her journey to gain recognition or power. Maybe she has to face many challenges and political intrigue in a fantasy - like setting, with different factions and characters that either help or hinder her progress.
Another option is to check some second - hand bookstores. Sometimes you can find some relatively rare novels there at a more affordable price. You can call them in advance to ask if they have the 'Shadow Queen' novel in stock.
There might be various 'Shadow Queen' novels out there. Some could be self - published works that are harder to find but offer unique takes on the concept. You could try searching on indie book platforms or specialized fantasy bookstores to discover more.