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?
I can't have you comparing my pens 
to the ones you could find anywhere.
لن أدعك تقارن أقلامي بالتي تُباع في كلّ مكان
Unsere Stifte sind nicht mit
x-beliebigen zu vergleichen.
Sería problemático que compararas
esas plumas con estas.
Sería un problema que compararas
esas plumas con estas.
Ça me gênerait
Sarebbe un bel problema
Não quero que fique comparando 
a minha caneta com a dos outros.