- Near the end of Episode 1, Rin tries to wake Kimari up, and says she shouldn't sleep in, even if it's a Saturday. Does this mean that unlike most Japanese schools, Kimari and Shirase's school doesn't have class on Saturdays?
- Saturday classes never happened more than every other week for a half day. They are less common these days that 30 years ago.
Headscratchers / A Place Further than the Universe