"That's how my world is now, out of that same necessity. The villagers consider you to be an adult when you're fourteen. In Japan, before all of that, the age of majority was twenty." Senku explained, meaning that he'd just now reached the age to be considered an adult, physically.

"University studies were based on more complex professions, like a doctor. That's the easiest example I can come up with. It would've been really expensive to go, but because I'm smart, my tuition probably would've been paid." Senku hummed. "Oh well. I'm not sure it would've been as rewarding as rebuilding after the end of the world."