Eikichi receives a cursed chain letter, but he dismisses it as superstition. After a series of misfortunes, he begins to believe in the letter and does whatever he can (including suggestions from Kanzaki to write spells all over himself) to dispel the curse.
I suspect everyone
in this class received it.
أعتقد أن كلّ من في هذا الصف قد تلقّوها
Ich vermute, jeder in
der Klasse hat ihn erhalten.
Sospecho que todos en la clase recibimos una.
Sospecho que todos en la clase recibimos una.
Il faut croire
que toute la classe l’a reçue.
Imagino que todos da 
turma tenham recebido.