Turns out the one spreading the rumors was Hashimoto, who did so at the behest of Sakayanagi. Shortly thereafter, Sakayanagi appears before Class C and she informs them she has evidence regarding the rumors about Ichinose.
The person who will be hurt the 
most by that is President Nagumo.
أكثر من سيتضرّر من ذلك
سيكون الرئيس ناغومو
Dann wird vor allem der Vorsitzende
Nagumo darunter leiden.
En ese caso, el presidente Nagumo
se llevará el mayor golpe.
En ese caso, el presidente Nagumo
se llevará el mayor golpe.
Ce sera le président Nagumo
qui trinquera le plus, dans ce cas.
In quel caso,
A pessoa mais prejudicada por
isso será o Presidente Nagumo.
Вот только больше всего
пострадает председатель Нагумо.