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.
And now, again...
...والآن
¡Como ahora!
¡Como ahora!
Lo sto rifacendo!
E agora, novamente...
И сейчас опять!