I've watched Kodomo tsukai at the Brussels International Fantastic Film Festival (BIFFF) and wrote my thoughts/impression about it and also a very detailed summary. Maybe there is someone who doesn't mind reading spoilers, so I'm sharing it here. I also added existing pictures to the post.
Some thoughts, containing little spoilers
Detailed summary, containing only spoilers
Some thoughts, containing little spoilers
Detailed summary, containing only spoilers