Story
"It seems that there is a safe in my grandmother's house.My grandmother cares about its contents. "When I was doing something like a kind detective, I was asked by my mother to check out the house of a seriously ill grandmother.
I will go to my grandmother's house reluctantly, and try to solve my grandmother's "worries".
Solve the many mysteries that occur in eerie houses and see the truth.And the true character of the mysterious girl.