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...
More importantly, 
what's the source of our income?
الأهم من ذلك، ما هو مصدر دخلنا؟
Vergiss nicht, womit wir
unser Geld verdienen!
Por ejemplo, ¿de dónde
vienen nuestros ingresos?
Por ejemplo, ¿de dónde
vienen nuestros ingresos?
Avant tout,
c’est notre source de revenus !
Piuttosto, da dove vengono i nostri guadagni?
Acima de tudo, 
qual é a nossa fonte de renda?
А чем мы на жизнь зарабатываем?