I've been wondering the same thing for a long time now. I've already talked about it with someone else here and wondered if Ogawa just forgot about it, if she dropped it or if there is still coming something. I've heard that there are supposedly 3-4 chapters left but have yet to see a confirmation from Ogawa herself.
Ogawa confirmed that he's not coming back. He was just an example of how adults are also as fucked up as teens.
Source?
She was answering questions on twitter. It's been like a few months. Basically her Twitter
I wanted to see where it would go with that character, that sucks
Thank you.
Same
What ever happened to the sub teacher?? Did he come back or is he just gone