There could be characters like Hera Syndulla. She is often associated with Kanan and might play an important role in the graphic novel. Maybe Ezra Bridger could also be in it as he has a connection to Kanan in the Star Wars lore.
Whether the Kanan comics are canon is a matter of debate. Some aspects might align perfectly with established lore, but there could be elements that don't quite fit. It's not a straightforward yes or no answer.
In the novel, Ryoji killed Matsuura and buried him under a tree near Yukiho's foster mother's house. This plot implied that the relationship between Ryoji and Yukiho was not just that of an employer and employee, but that there was a deeper connection between them. Buried under the tree might represent Ryoji's loyalty to Yukiho, hoping to maintain contact with Yukiho through this method, and also hint at some kind of feelings or feelings that might exist between them. This plot was also one of the complicated emotions and relationships in the novel Bai Yexing.
Well, it's a bit complicated. The determination of whether the Kanan comics are canon often depends on the decisions of the creators and the broader narrative context. Sometimes new developments or retcons can influence this status.