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.
Are you?
حقّاً؟
Ach, wirklich? Dann solltest
du aber auch gründ…
Davvero?
Está?
Да что ты?