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...
Unlike mammals that chew food,
،على عكس الثدييات التي تمضغ الطعام
Anders als Säugetiere, die kauen,
Nuestras mandíbulas no son tan fuertes
como las de los mamíferos que mastican.
Nuestras mandíbulas no son tan fuertes
como las de los mamíferos que mastican.
Contrairement aux mammifères,
A differenza dei mammiferi, che masticano il cibo,
Diferente dos mamíferos,
que mastigam a comida,
В отличие от млекопитающих,