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.
This is called an artificial fly.
.هذه تدعى ذبابة اصطناعية
Das hier ist eine Fliege.
A esto se le llama "mosca".
Il s’agit d’une mouche,
Questa si chiama mosca, ed è un tipo 
di esca finta che sembra un pesciolino.
Isto se chama fly, uma isca artificial
que simula um peixinho.