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はい
せ, そむ
None
You fly north to the moon and break your back when you finally land on it. You weren’t braced for impact so when you hit the moon, your back took all of the impact.
Your back hurts so much that the only way to properly explain the pain is in haiku (はい) form.
I flew to the moon.
It is there I broke my back.
My back hurts real bad.