As of now, Uta is indeed alive. The story hasn't depicted anything otherwise. Maybe there'll be changes in the future, but for now, Uta's part in the manga continues with them being alive.
It's a visual novel that likely focuses on a story with various characters and a plotline. Usually, visual novels have elements of romance, adventure or mystery. In the case of 'walkure romanze', it might involve a story set in a particular fictional world with its own set of rules and relationships among the characters.
One possible unique feature could be its storytelling style. It might blend different genres in an interesting way, for example, mixing romance with elements of action or strategy. Also, the visual elements such as the background art and the way the characters are animated might be unique to this visual novel.
The Walkure Romanze light novel is an interesting piece of literature. It's likely to draw readers in with its storylines. There might be a young protagonist who embarks on a journey, during which they meet various people. These interactions can lead to the development of different relationships, be it friendship or love. The writing style may be descriptive, making it easy for readers to visualize the scenes and get immersed in the story.
Reki Kawahara is quite notable. He wrote 'Sword Art Online' which has a huge following. His writing style is engaging and he's good at creating immersive virtual worlds.
There could be 'Re:Zero − Starting Life in Another World'. It stands out for its unique plot where the main character has to keep reliving his experiences in a fantasy world, and the psychological aspects it explores are quite interesting.