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?
You helped clear me of the cheating charges.
ساعدتني في تبرئتي من تهم الغشّ
Was hätte ich nur getan, wenn du die Schummel-
Anschuldigungen nicht zerstreut hättest?
Me ayudaste a quedar
libre de sospechas.
Me ayudaste a quedar
libre de sospechas.
Merci d’avoir levé les soupçons
dont j’étais l’objet !
Mi hai salvato da ogni accusa di imbroglio.
Me salvou, tirando as suspeitas
 de que eu estava colando.