Memory Eraser's Dungeon

Nana accidentally steps into the dungeon of the Memory Eraser, a witch who has the power to erase, create, and twist memories. After this, she falls down into a rabbit hole while trying to fight the Memory Eraser. In the world inside of the rabbit hole, many absurd, wondrous, and horrifying things happen...

(Author's Note: A lot of the parts of this book are heavily inspired off of the game "Petscop".)