I think working with kids is great! My previous job was at an elementary school. If I didn't have such a psycho supervisor, I would still be there. (Thanks for the congrats! ^_^)

Good luck with finding a job here in Japan or back home! The pickings are pretty slim right now. I'd say your best bet working here with kids would be to try to find something with one of the ALT dispatch agencies. Since you're in Aichi, you might want to look up Altia or Interac. I wouldn't recommend eikaiwa right now with this economy.