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.
Elenco: Nanae Kojima , Mikoi Sasaki , Ayasa Ito , Aimi , Saika Kitamori , Yuuki Wakai , Riko Kohara , Momoyo Koyama , Aina Suzuki , Mayu Sagara , Aina Aiba , Kuroki Honoka , Hiroki Yasumoto .