Hey! Are You Trying to Scare Me?

I am a ghost, but I don't know why I gave up on life at such a young age.

So I stayed among the living, doing my best to find out how I died.

*Written in first person

*I didn't get it before and had no idea why the later chapters got labeled as extras. Actually, everything except the final chapter is part of the main story TAT

Theme: As long as you're alive, there's always hope