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...
But In the End, The Antarcticans' 
History and Roots Are a Mystery, Too.
ولكن في النهاية، تاريخ القطب جنوبيّين
.وأصلهم غامض أيضًا
Aber schlussendlich sind ihre Geschichte
und Herkunft auch ein Rätsel.
Pero al final, la historia y raíces
de los antárticos son un misterio
Pero al final, la historia y raíces
de los antárticos son un misterio
FINALEMENT,
L’HISTOIRE ET LES RACINES DES AUSTRALS
RESTENT UN MYSTÈRE
Ma, alla fin fine, anche la storia e le origini
degli antartidiani sono un mistero.
#5 Parte B:
Mas, no fim das contas, a história e a origem
dos antárticos são um mistério, também.
Но, в конце концов, история и происхождение 
антарктидцев — тоже загадка.