The main characters are Twilight, a spy; Yor, an assassin; and Anya, a telepath. They form this unique 'family' for different reasons related to their own secret identities.
The Spy x Family novel has its own charm. While the anime is great at visual storytelling, the novel can be more detailed in terms of the inner monologues of the characters. It gives you a different perspective on the story. For instance, Anya's telepathic experiences are described in a more in - depth way in the novel, which adds another layer to her character.
One main theme could be loyalty. Since there is a spy in the family, it explores how family members remain loyal or break that loyalty. Another might be deception, as the spy is likely to deceive the family members.
The 'spy family graphic novel' is centered around a unique concept. A spy named Twilight has to create a false family in order to get closer to his target. He adopts a young girl named Anya who can read minds, and he marries a woman named Yor who is an assassin. Their daily life is full of chaos, humor, and also some dangerous situations as they try to keep their true identities hidden while fulfilling their respective roles in this made - up family. It's a great blend of action, comedy, and family - related themes.
The Spy X Family light novel is finished. It completed its run with a resolution to the various story arcs and character developments that fans had been following.