Just like to remind you guys that the entire conflict of her story was that people thought she was fooling around with a student
Also, the first arc was exposing the sexual misconduct of another teacher...
Updated
Right now, he and I...are going to have sex until morning on his bed...Umm....I'm Kawakami Sadayo and I teach Japanese language. This right here is my boyfriend. He's one of my homeroom students that I teach...