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 all did great.
كان أداؤكم ممتازاً جميعاً
Ihr wart alle gut.
On est tous bons.
Siete stati tutti bravissimi.
Todos vocês foram muito bem.
Все молодцы.
ทุกคนทำได้ดีมาก