The instructor for the study of imaginary beasts, Balam Shichiro, can't help but touch any living creature he comes in contact with. Because he looks rather terrifying, the students are generally pretty scared of him. During class, Balam notices that Iruma doesn't have wings on his back. If it's found out  that Iruma is a human in the netherworld, only trouble awaits. But despite all of this, Iruma says the most surprising thing to Balam...
As for how... that's a girl's secret.
.أمّا كيف... فذلك سرّ الفتيات
Doch wie das möglich ist,
bleibt unter uns Mädels.
¿Cómo lo hago? Eso queda entre chicas.
¿Cómo lo hago? Eso queda entre chicas.
Comment j’ai fait ?
C’est un secret de fille, voyons.
Come ho fatto... beh, è un segreto per signore.
Como eu faço para polir... é algo que
só posso contar para as meninas.
Как? Такое 
у девочек спрашивать неприлично!