She wakes up without any memories of herself, and find herself as a sentient environment known as a Dungeon.
Unwilling to become a murder machine to those who dares intrude her walls, she decided to break the long time tradition.
Instead of a den full of monsters and deadly traps, she put a lot of gimmicks within her rooms and made a lot of puzzles.
This is the story of the Dungeon Core who decided to become a fun dungeon. A Dungeon where those who visit will have fun.