Manga.
It should be illegal to have it, but they should also have a amnesty / shield law for people reporting it when they stumble across it or it is infected on their computer.
I was horrified to find one of 8 year old kids hosting this from their computer, thank god they weren’t aware of it or saw any of it. It was some kind of worm that been installed on their computer. I wiped it and reinstalled everything.
I would have loved to turn that computer hard drive over to the police but have seen stories in the paper of people who did being dragged into the legal system for years defending against a dumb prosecutor that isn’t aware that people can implant your computer to host these things without your knowledge.
If they made you 100% immune and anonymous to report these events, it would make these pedophiles lives hell.