The mysterious group of five was the St. Omiya Girls High School Railways Club who saw Usagi and others as rivals! And we find out why Nishiki sees Usagi as her enemy.
When it comes to hot springs in Omiya...
...عندما يتعلّق الأمر بالينابيع السّاخنة في أوميا
È proprio vero,
 quando si parla di terme di Omiya...
Quando se fala de banho nas termais em Omiya...
Если выбирать горячие источники в Омие...