"Today, I killed my best friend."

"[to Noriko Nakagawa] I'm weak, I'm useless, but I'll stay by your side; I'll protect you."

"What's wrong with killing? Everybody's got their reasons."

"There's a way out of this game. Kill yourselves together, here, now. If you can't do that, then don't trust anyone...…"

"So today's lesson is...you kill each other off until there's only one left. Nothing's against the rules!"

"Each weapon is different. Not just guns or knives either! It is random so maybe you will get lucky, maybe not. It eli…"

"Could you kill your best friend?"

"42 Students, Three Days, One Survivor, No Rules."

"Have you ever killed your best friend?"

"Tatsuya Fujiwara — Shuya Nanahara (Boy #15)"