A new student, the Antarctican Quetzalcoatl Sassassul, suddenly transfers into the girls' school one day, much to the intrigue of everyone in the class. But for some reason, Himeno seems to have experienced some sort of childhood trauma involving Antarcticans. The new student is as kind and friendly as can be, but Himeno just can't shake her fear...

Meanwhile, everyone in the class has lots of questions for Sassassul...
The brain consumes a lot 
of energy, after all.
العقل يستهلك الكثير من الطاقة
.في نهاية المطاف
Denn das Gehirn
benötigt sehr viel Energie.
El cerebro consume mucha energía.
El cerebro consume mucha energía.
Le cerveau est très gourmand.
Si sa, il cervello consuma molta energia.
Afinal, o cérebro consome muita energia.
Мозгу требуется много энергии.