[The term highborn did not ring a bell with Ai, either. It seemed like schooling was a privilege offered only to a certain group of people.]

And what about those who are not highborn? They just... remain uneducated?

[A craft? Well, if there was one thing that could apply as one...]

I took swimming classes in high school, and I was a captain of a swimming team.

[A hint of a nostalgic smile creeps up on Ai's face.]