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.
You stay out of this!
!لا تتدخّلي
Tú no te metas.
Tú no te metas.
Dégage, toi !
Não se meta nisso!
Тебя вообще не спрашивали!