Under a dark and ominous sky, pierced by lightning, a man wearing a sinister hood summons a... "dragon"!  Shimoda and some of the designers were trying to fulfill the order "has not wings but flies anyway" and were checking out the dragon for inspiration. However, a harried looking Mizushima rushes onto the scene.
At first, they're all male, but then the 
biggest individual in the school becomes female,
تكون كلّها ذكوراً بدايةً، لكن تصبح أكبرها
في المجموعة أنثى
Die fangen alle als Männchen an,
Todos nacen siendo machos,
pero el más grande se vuelve hembra.
Todos nacen siendo machos,
pero el más grande se vuelve hembra.
Au départ, ils sont tous mâles,
All'inizio sono tutti maschi,
No começo, são todos machos, mas o maior
peixe do cardume vira fêmea,
Сначала все рыбы в косяке самцы, но
потом самая большая становится самкой,