For both of us, whoever's position was discovered first would be in danger. Saeko must have thought of this too, and the entire underground cave fell into an eerie silence. We could only hear the faint sound of dripping water and the occasional rustle of small insects.
Saeko and I were in a standoff for about thirty seconds when I heard one stone hitting another. It sounded as if someone had stepped on a stone and caused it to roll across the floor. Although I was curious about what happened, I suppressed my urge to move and stayed perfectly still behind the rock.
I knew Saeko was always cautious. Making such a basic mistake was not like her. So I guessed it was a trap, and she had thrown a stone intentionally to make that sound, hoping to lure me into revealing my position. Dora nearly
