One common theme is the development of the relationship between Cross Marian and his apprentice. It could be about the growth of trust, or the apprentice learning from Cross Marian's experiences. Another theme is often the exploration of the D Gray - Man universe from their perspective, like dealing with the Akuma and the Black Order.
Definitely. It should be a continuation. Since there are still so many loose ends in the original story, like the full story behind Allen's transformation and the ultimate fate of the Black Order. 'D Gray - Man Remaining Story' will most likely carry on the story to answer these questions.
One popular theme is the exploration of Allen's internal struggle. In the fanfiction, it often delves deeper into his complex emotions regarding his past, his role as an Exorcist, and his connection to the Fourteenth. Another theme could be the relationships he forms within the context of Cross. It might show how his interactions with other characters are shaped by Cross's influence. Also, the battle against the Akuma and the Noah in unique scenarios is a common theme, presenting new and exciting storylines that deviate from the original plot but still maintain the essence of the D Gray - Man world.
The D'Gray Man manga has indeed finished. It wrapped up with a satisfying ending that tied up most of the plotlines and left a lasting impression on readers.
The D Gray Man manga concluded in 2022. Throughout its journey, it gained a loyal fan base and provided an engaging story. Its ending marked the conclusion of a significant chapter in the manga world.