Well, the uniqueness of 'little milo oversoul fanfiction' may also come from the creativity of the fans. Fans bring their own interpretations and ideas to the table. They might introduce new plotlines that are completely different from the original but still fit within the general theme of 'Little Milo Oversoul'. They can also give new backstories to characters or change the course of events in interesting ways, which makes each piece of fanfiction a unique take on the original concept.
As of the latest chapters I've read, Megumi is still alive in the manga. Usually, such major character deaths are significant plot points and would be well-publicized if they occurred.
Well, I'm not sure specifically which 'little milo oversoul fanfiction' is really good. But you can try looking on some well - known fanfiction platforms like Archive of Our Own. There might be a variety of stories related to it that could be interesting.
Typically, megumi fanfic often focuses on his personality traits. His stoicism and determination are often highlighted. For example, in many fanfics, his unwavering resolve in the face of danger is a central theme.
Well, Megumi's story in the manga was full of twists and turns. She had to overcome various obstacles, and there were also some unexpected developments in her relationships with other characters.