I'm not sure specifically as I haven't read it in detail. But generally, a graphic novel often tells a story through a combination of illustrations and text. It might be about some kind of post - apocalyptic or horror - themed plot given the name 'dead moon' which could imply a desolate and spooky setting.
I don't have enough information to say who the main characters are. It could be a group of astronauts exploring the 'dead moon', or maybe some survivors on a planet affected by the 'dead moon'.
Dongfang Yueyue died in the end in " The Fox Demon Little Matchmaker."
In the Southern Kingdom chapter, Dongfang Yueyue sacrificed herself to help Tushan Reddie recover her demonic power. She gave all her demonic power and the Tear of the Void to Tushan Reddie.
While waiting for the TV series, you can also click on the link below to read the original work of " Little Fox Demon Matchmaker " to understand the plot in advance!
Well, The Walking Dead started as a comic series. But often, multiple issues of the comic are compiled and republished in a bound format, which is called a graphic novel. So, it's kind of both.
The moon in 'Moon from Wings of Fire Graphic Novel' could be significant in various ways. It might be a symbol of mystery. In many stories, the moon is associated with the unknown and the magical. Maybe in this graphic novel, it has something to do with the powers or the fates of the characters. It could also be a guiding force, like in some tales where the moon lights the way for the characters on their journey.