Himeno has been featured in a fashion magazine! Could it be that she's working part-time as a model? Suspicion and wild ideas fill the minds of Nozomi and Kyoko, but what is the real story? Himeno's class visits a school for merfolk to participate in a joint class. The students of the two classes begin to build relationships as they interact throughout the day, but the highly unique merfolk students remain a source of intrigue.
Just because they've been friends 
since they were kids...
...فقط لأنّهم أصدقاء منذ الطفولة
Nur weil sie sich schon ewig kennen?
Solo porque son amigos desde niños…
Solo porque son amigos desde niños…
Juste parce qu’ils sont
amis d’enfance…
Solo perché sono amici d'infanzia...
Só porque eles são amigos desde pequenos...
Лишь потому, что они друзья с детства...