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.
Morning.
صباح الخير
Morgen.
Buenos días.
Buenos días.
Bonjour. Tu avais la classe, hier.
Bom dia.
Привет.