Arm
The moon shines on your roof in the evening and a snake suddenly appears! Wait, that's not a snake, it's your arm, sticking out from under the roof.
わん
うで
None
Your arm is exposed to the moon and the outside and you feel a chill. Where are your clothes? Ah, you're nude, eh (うで)?! I guess it is pretty common to sleep in the nude, eh?
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