Hiyori likes to spend her times alone fly fishing. One day, a very energetic girl named Koharu tries to jump into the cold ocean in front of Hiyori and she stops her. This ends up being the beginning of their very unique relationship.
They're about as known as water fleas.
.إنّ شهرتهم كشهرة براغيث الماء
Die sind etwa so bekannt wie Wasserkörner …
Son tan famosas
como las pulgas de agua.
C’est du niveau des puces d’eau.
È conosciuta più o meno
 quanto la pulce d'acqua.
O conhecimento disto é pequeno
como uma pulga d'agua.