2:20
Maya: And Rei's out of high school now, right?
Rei: Yeah, so now I can work full-time.
In Japan, you’re not normally allowed to have an actual job while in high school, though, of course, part-time’s another matter.
3:00
Girls: A e i u e o a o.
Girls: Ka ke ki ku ke ko ka ko.
Girls: Sa se shi su se so sa so.
These are various vocal exercises, like “The rain in Spain falls mainly on the plain.
6:11
While we were faithful to the original Shakespeare, the Japanese did heavily edit the scene. For the official lines see
http://www.online-literature.com/shakespeare/kinglear/24/ 8:05
Hayami: It's strictly business.
Mizuki: And not personal?
“The Godfather is the I Ching. The Godfather is the sum of all wisdom. The Godfather is the answer to any question.” –Tom Hanks, You’ve Got Mail
20:45
Emi: Even though she’s just a walk-on... for two hours...
Technically a walk-on is a non speaking part, not much different from a extra. Maya’s actually has a speaking, though bit, part, with a line and thus should actually appear in the credits as “Patient C” (her character name as listed in the Manga)
Oh, and the reason Maya’s character is paralyzed is polio, which was still a thing back in the late 70’s and definitely before that. For more, see
http://en.wikipedia.org/wiki/Polio