When the four sisters are having their lunch with Chika's boyfriend at their house, in the interior shot looking outward, all the noodles on the main plate have been eaten.
In the next scene, an exterior scene looking inward to the house, Sachi reaches down and takes the plate away but Chika reaches up and takes several noodles off the plate with her chopsticks.
In the next scene, an exterior scene looking inward to the house, Sachi reaches down and takes the plate away but Chika reaches up and takes several noodles off the plate with her chopsticks.