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...
First, we are warm-blooded creatures.
.أوّلًا، نحن مخلوقات ذات دم حار
Zum einen sind wir Warmblüter.
Primero, sí somos
criaturas de sangre caliente.
Primero, sí somos
criaturas de sangre caliente.
Tout d’abord,
nous avons le sang chaud.
Per prima cosa, siamo creature a sangue caldo.
Primeiro, somos seres de sangue quente.
Во-первых, мы теплокровные существа.