It's nearly time for the school fair, and Himeno's class is putting on a play. Himeno is chosen to play the princess, and after much consideration, Nozomi is chosen to play the prince! With the guidance of the class president, Manami, preparations begin to come together. Then, when the curtain rises at last, the unexpected happens...Kyoko is completely exhausted in the middle of running a marathon for PE class. What will become of her?
which duplicated again to 
form rear ventral fins.
والتي تكرّرت ثانيةً لتشكّل 
.زعانف بطنيّة خلفيّة
und dann schließlich
auch die Afterflossen.
y de nuevo para formar
aletas ventrales traseras.
y de nuevo para formar
aletas ventrales traseras.
et ont modifié la morphologie
des nageoires pelviennes puis anales.
che si sono duplicate ancora
per formare le pinne ventrali posteriori.
Estas se duplicaram novamente
e formaram barbatanas traseiras.
брюшных, а дупликация их генов — 
к появлению новой пары.