One hour before the aircraft arrived at Sakura City, Ryoko and Kaori were both sleeping comfortably inside their first-class cabins.
Kaori only managed to work for around 3 hours before her tired body asked for mercy, so she fell asleep soon after.
This was understandable as the two girls had a busy and tiring day before they boarded the plane. They had woken up early, adventured into a wild forest region, swam, and ran in rivers and at the sea.
All of that in just one day.
Even Ryoko managed to work for only one hour longer than Kaori before her tired body also won over her desire to work.
That's why Ryoko had to end the meeting and discussion after the table reading shortly. But she still managed to have a productive discussion with the production team and the voice actors. With that, Ryoko had the peace of mind of falling asleep knowing that they would be able to execute all the things necessary for the production to advance.