I'm not sure specifically as I haven't read it. But generally, a novel with such a title might be about a powerful figure in the underworld world. It could involve things like power struggles, crime empires, and the character's journey to become or maintain his status as the 'king' in that dark and dangerous realm.
Another option is to check with your local library. Libraries have a diverse selection of books. They can either have it on their shelves or they might be able to order it from another library through inter - library loan systems. So, it's definitely worth giving your local library a try.
Ruin would be a great character to pair with Kane. They both have strong military backgrounds and skills. Their combined combat abilities could make for some really intense and exciting scenes in a fanfiction. They could be on a mission together and use their different specialties to overcome obstacles.
Well, it might be known for its engaging characters. RJ Palacio is good at creating diverse and relatable characters. In the graphic novel format, these characters are made even more interesting with their visual representations, which can draw readers in and make them care about what happens to the characters.
Yes, there might be. The Naruto fandom is huge and there are all kinds of fanfictions out there. Some fans might have created a fanfiction where Naruto is a Kane fan. You can try searching on popular fanfiction websites like FanFiction.net or Archive of Our Own.