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.
Oh, water fleas are super famous!
We learn about them in science class!
!براغيث الماء مشهورة للغاية
!نتعلّم عنها في حصة العلوم
Aber Wasserflöhe kennt doch jeder!
Über die lernt man doch in Biologie!
¡Esas pulgas son famosísimas!
¡Las enseñan en clases!
Je connais les puces !
Ça saute partout !
Ma la pulce d'acqua è famosissima, 
l'ho studiata in scienze!
Mas pulgas d'águas são super conhecidas!
Conhecemos na aula de biologia.