Kuro's classmate Aona is troubled by the popcorn that keeps popping out of his head. Aona says it makes him sad when the popcorn disappears, so Ramune lends him a bag that can be used to store the popcorn. Why is Aona's head producing popcorn, and why does he feel sad when it disappears? Ramune tells Aona that the treatment method will become clear if he asks himself those questions...
I don't think there's a place
 without gravity.
.لا أظنّ أنّه يوجد مكان دون جاذبيّة
Ich glaube nicht, dass es
einen Ort ohne Schwerkraft gibt.
No creo que haya un lugar sin gravedad.
No creo que haya un lugar sin gravedad.
Je pense qu’un endroit sans gravité,
ça n’existe pas.
Non credo che ci sia un posto dove non arrivi.
Acho que não tem nenhum lugar
sem gravidade.
Вряд ли где-то есть
место без гравитации.