"Mm. After you went inside, what did you see?"
"..."
"Mr. Sun?"
"Huh? Oh... When I went inside, all I saw was the restroom, the bathroom... The sound came from the very last stall, the one with the tank. I went all the way to the back, but I didn't see anyone. I could still hear the sound... There was nobody there, but the crying... The crying echoed through the restroom... I looked around and even checked outside the window. The skylight in the restroom, the one more than two meters up. I jumped up to look. The little window was closed, and there was nobody outside. There was just a wall, nowhere for anyone to stand. I thought I'd imagined it, so I checked the men's restroom next door, too. There was nobody in there, and no sound... When I went into the men's restroom, the sound stopped. It had been very faint to begin with. I went back to the women's restroom, but I couldn't hear it anymore. It was so... so strange. I had no idea where the sound was coming from. It was as if... as if there were an invisible... a... ghost..."
"Were you the only one there at the time?"
"Yes, I was alone. Everyone else had left. The students and teachers were all gone. I thought the sound might be coming from somewhere else, like a classroom next door... but all the classroom doors were closed. I got scared and ran off pretty quickly."
"You heard the crying that day. Did anything similar happen afterward?"
"No. I avoided that place after that... The more I thought about it, the more frightened I got... But..."
"But what?"
"I heard from my students that they'd heard it, too. They heard crying coming from the women's