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...
Mind your own business!
!اهتمّ بشؤونك
Halten Sie sich da gefälligst raus!
Ocúpate de tus asuntos.
Ocúpate de tus asuntos.
Mêlez-vous de ce qui vous regarde !
Bada agli affari tuoi!
Cuide da sua vida!
Не лезьте не в своё дело!