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.
We'll hit it big if we  
keep laughing together.
Wenn wir lachen, ist der Spaßpegel erreicht!
Vamos acertar em cheio
se continuarmos rindo juntas.
Когда смеёмся вместе, остальное — чепуха.