The choir heads into the mountains for a singing training camp, but when they arrive, they discover that the site they'd reserved is already being used by a rival school! Meanwhile, Haruo refuses to do anything but...look for kabocha squash?
It's the seeds and stuff! 
You can't eat those!
!إنّها البذور وما شابه! لا يمكن أكلها
Das ist bloß ungenießbarer Abfall!
Son semillas. No se comen.
Son semillas. No se comen.
Les fibres, ça se mange pas !
Sono solo semi e filamenti, non si mangiano!
Não dá pra comer o miolo!
Это ж семена какие-то просто! Несъедобно!