"Who built this secret room?"
"Wait, what is this?"
"Who killed him?"
"I didn't expect that the murderer would be you."
"Why are you doing this?"
What is the secret of this note? Who built the secret room? What happened to the disappearance three years ago?
Why does it end like this?
This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.
