Description: The protagonist, Amule, had lost her memory.
She meets Celrea, the young mistress of a certain mansion, and ends up living there as a guest.
While growing close to Orca, a maid who serves Celrea, Amule spends her days hoping for the day she can return to where she came from.

However, the mansion—and the two who live within it—harbor a secret.
A hidden curse quietly begins to consume Amule, slowly dragging her down into the abyss…