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 know I did a bad thing.
أعرف أنّي ارتكبت أمراً سيّئاً
Sé que lo que hice está mal.
Sé que lo que hice está mal.
que ce que j’ai fait est mal !
Eu sei que fiz uma coisa ruim.
Я знаю, что поступила плохо!