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.
"I want you to find your own happiness."
"أريدكِ أن تجدي سعادتكِ"
Und dass ich mein Glück finden solle.
Que quería que alcanzara
mi propia felicidad.
Que quería que alcanzara
mi propia felicidad.
et qu’elle voulait
que je trouve le bonheur.
Voglio che conquisti la tua felicità.
"Eu quero que você encontre
sua própria felicidade."
Она сказала мне непременно
стать счастливой.