In the light novel, Rem does wake up. This is an important part of the story as it has significant implications for the other characters and the overall plot progression. Her waking up is not a random event but is carefully woven into the narrative, affecting relationships and future events in the story world.
Yes. After waking up, Rem is involved in important decision - making processes and her actions influence the fate of other characters. Her presence also has an impact on the overall mood and direction of the story.
I'm not entirely sure as I haven't read it specifically. But generally, it might be about a character named Rem and her experiences as she wakes up. It could involve things like her finding herself in a new or strange situation, or starting a new chapter in her life perhaps.
I'm not familiar with the author of this particular 'rem wakes up light novel'. It could be an indie author or someone who is just starting to gain recognition in the light novel community. Without more information, it's difficult to determine the author.