"Ah, if you can call the hundred and fifty people in the village the whole world, sure." Senku chuckled lightly. "It is pretty much the population of Japan for sure, potentially the world, hard to say."

He couldn't guarantee that, and he already suspected there were people in America, somewhere, but Gen wouldn't tell him anything.

"I was awake the whole time." Senku explained. "And the energy my brain generated mixed with nitric acid and that was how I came around. Taiju, was also awake the whole time, but he doesn't think very much." Senku snorted lightly. "But he was aware, he generated some energy, and that's how he came around with the help of nitric acid."

"Everyone else is kind of in a stasis sleep. They're not aware how long it's been, they don't feel or know anything." Senku continued patiently. "So I had to account for that in my formula. It's a mixture of alcohol and nitric acid. It's called nital. It's just a stronger concentration than most people would use, but that's what's needed."

He shook his head at her last question. "No. We don't know why, actually. We have a feeling we're understanding how it happened, and we suspect we have an enemy on the moon, but we're not sure why it happened in the first place, or why they're still trying."