Himeno is participating in a yabusame competition. A younger girl who trains with her, Ayaka, suddenly approaches her with a declaration of war. Kyoko whispers something in Himeno's ear, and Himeno suggests to Ayaka that they make a little wager...The town of the Merfolk is preparing for a festival. Eri, the young Mermaid who'll be playing the role of the priestess, swims out to an island some distance from the shore with the town's elder, but what they see there shocks them...
I was certain it was a serious term.
.كنت متيقنة أنّها مصطلح جاد
Ich dachte,
das wäre der Fachbegriff.
Estaba segura que era algo serio.
Estaba segura de que era algo serio.
Je le prenais
pour un mot très sérieux…
Ero certa che fosse una parola seria.
Tinha certeza de que 
era um termo sério.
Я была уверена, что это термин.