Backside, Underside, Reverse
There's a lid on your village, so you kick it over on its backside to see what's on its underside.
You've been curious about what's on the lid (and your village's) backside for years, and you finally can't take it anymore so you kick the lid as hard as you can!
り
うら
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It turns out your village's own backside is covered in uranium (うら). Eureka! You're all gonna be rich!
Wait, isn't uranium bad for people? This explains why all of the villagers' backsides are covered in weird glowing, green lumps.