The three Invaders return to their home prefecture of Hokkaido for a required summer school day. On the bus ride to school, Mone starts talking about Hokkaido's seven folk legends while Chihori shares random facts about space. As Yuina responds to the girls' wacky conversation with her usual comical comebacks, she is overcome with a very strange feeling about the situation.
And that loop was even 
shorter than the last. Why?
وتلك الحلقة الزمنية كانت أقصر من السابقة. لماذا؟
Und es geht noch schneller
als vorhin. Warum?
Y se repitió mucho antes. ¿Por qué?
Y se ha repetido antes. ¿Por qué?
Ça se répète de plus en plus tôt.
Pourquoi ?
Stavolta è stato anche più breve di prima... Perché?
Desta vez foi ainda mais
rápido que o anterior. Por quê?
Причём последний раз
был ещё быстрее... Почему?