Koharu tries to convince her dad to let her go on a fishing and camping trip with just Koharu and Koi, which causes a disagreement in the family, and results in Koharu and Hiyori running away from home.
The water's clear,
so I'll know when I get a bite.
.المياه صافية، سأعرف إذاً عندما تعلق سمكة
Bei dem glasklaren Wasser werde
ich schon sehen, wenn einer anbeißt.
El agua está muy cristalina,
podré ver cuando piquen.
L’eau est claire,
je verrai si ça mord.
L'acqua è limpidissima, 
se abboccheranno li vedrò.
A água é limpinha,
vou saber quando pegar a isca.