Abby is a brat;
A little "ghost" in the true sense,
But she lost her memory.
…
Little Abby, who has lost her memory, wants revenge.
The first step in revenge: remember who your enemy is,
But before the first step is completed, the little ghost Abby is captured by the ghost king Freddy.
So, step zero of revenge: How to escape from the claws of the Ghost King who is countless times more powerful than you?