As the gang explores Furano, Hokkaido, the weight of Jashin-chan's debt begins to push her and Medusa to the brink of despair...
Apparently, nobody knows
 where its source is.
Man sagt, dass niemand weiß,
wo die Quelle dieses Flusses ist.
A quanto pare, 
nessuno sa dove sia la sua sorgente.
Parece que ninguém sabe onde fica a fonte.
Говорят, никто не знает,
откуда она течёт.