Register
People had to use their bamboo plows long ago to put their name in a register. This is because there was no paper yet, so they would hitch a cow to their bamboo plow, and dig their names into the dirt to create all kinds of registers.
せき
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If your name is in a register, people will find you very sexy (せき). This was true long ago too. There's nothing sexier than someone whose existence is accounted for in official documentation.