Kuro's classmate Aona is troubled by the popcorn that keeps popping out of his head. Aona says it makes him sad when the popcorn disappears, so Ramune lends him a bag that can be used to store the popcorn. Why is Aona's head producing popcorn, and why does he feel sad when it disappears? Ramune tells Aona that the treatment method will become clear if he asks himself those questions...
His dad must be really strict.
.لا بدّ أنّ أباه صارم
Der hat garantiert
einen sehr strengen Vater.
Su padre debe ser muy estricto.
Su padre debe de ser muy estricto.
Je parie que son père
est super strict.
Sicuramente è colpa del padre 
che è troppo severo
O pai deve ser bem rígido.
Должно быть, у него очень строгий отец.