"Sis..."
"From inside the rock...!"
"What are you doing here?"
"Investigating the rocks for homework..."
You okay?
"You too, why are you here...? How were you even inside...?"
"Experiments."
"I thought I heard a voice I recognize, so I popped my head out..."
"Experiments, huh..."
Experiments experiments
"Yomikawa..."
"You said "the truth" is in the books, but..."
"Didn't you say you forgot about me last time we met?"
"I've remembered."
"I've gone much deeper and truly closer to it..."
"The tangible truth."
"The "metaphor" for the truth, you mean."