Hey Don, that's Amphiesma vibakari. I found a couple while I was in Japan, but unfortunately I didn't get pics of either. Both that I saw were on the road, but apparently they're quite common in rice paddies that border forests and streams.
That's some garden you've got there!
I'm getting ready to leave for a weekend herp trip....hopefully this front that just blew through won't mess things up for road cruising. I'll have to finish my ratsnake report next week. Looking forward to some more Korea stuff!

Shane
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