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.
That one with the flat chest... 
Is she really a girl?
...تلك ذات الصدر المسطّح
هل هي فتاةُ حقًّا؟
Die mit den kleinen Brüsten …
¿La del pecho plano
de verdad será chica?
¿La del pecho plano
de verdad será chica?
Celle qui est toute plate,
c’est vraiment une fille ?
Quella piatta come una tavola...
è davvero una ragazza?
Aquela com seios pequenos...
Ela é mesmo uma garota?
А вон та с плоской грудью... 
Это точно девушка?