The testing continues even at 32,000 feet. Mumei and his classmates are especially challenged when their plane begins to experience mysterious turbulence. Meanwhile, while on an outing with his classmate, Haku, Mumei encounters a new rival. Who is this young man and why does he know so much about pens?
If you say one more word, I'll make 
sure you never breathe again.
إن قلتَ كلمةً أخرى، سأحرص على ألّا تتنفس مجدداً
Noch ein Piep und du hast
deinen letzten Atemzug getan!
Idiota, no te volverás a respirar
si dices otra palabra.
Idiota, no volverás a respirar
si dices otra palabra.
Si tu continues à me parler, demeuré,
je vais t’interdire de respirer.
Se dici un'altra parola, non ti permetterò 
di tirare un altro respiro, bastardo.
Maldito, se vai continuar falando, 
então não permito que você respire!