Mr. Hiiragi's Homeroom S01E07 - Episode 7

The culprit is named! But they need evidence. All of the students are shocked at the video and who Hiragi said was behind the video being edited, all discussing and talking among themselves to wonder if it is the truth or not. Some have a hard time believing him and go as far as to turn to violence. However when Hiragi and the teacher who committed the crime meet up -- something is revealed.