I'm not sure specifically as I haven't read it. It could be about a character named Natsumi and an arc that has a particular story within the light novel, perhaps involving her adventures, relationships or a special mission she undertakes.
You might try looking for it in local bookstores that specialize in light novels. Some large chain bookstores also carry a variety of light novels, so it's worth checking there.
An 'arc light novel' could refer to a novel that has a distinct story arc. It might involve a series of events that build up, reach a climax, and then resolve in a particular way. For example, it could have a character arc where the protagonist changes and grows throughout the story.
It's hard to say exactly. The progress of the light novel's arcs might not align perfectly with any specific point in the story. You'd need to check the latest releases for accurate information.
Re:Zero's light novel has gone through several arcs. The arc it's in can change depending on new installments. It's best to follow the author's updates or check reliable sources for the most current arc information.
Eugeo is an important character as well. He is Kirito's friend in the virtual world and they go through many adventures together. His character development and his relationship with Kirito add depth to the story.
Another theme is about identity. As characters exist in different states within the virtual realm, they struggle with questions of who they really are. For example, Kirito has to face challenges that make him re - evaluate his own identity.
Well, there might be characters who are masters of Renkin. They would be important as they hold the knowledge and power related to Renkin in the story. There could also be some sort of guardians or protectors of the Renkin world. They would be key in maintaining the balance and order in the world that Jeanne d'Arc enters.