Japan's Heian period is arguably known for two things above all else: artistic achievement and political manuevering, both being pasttimes enjoyed by members of the imperial court. And there was one cat in particular who struggled until he was second only to the emperor: Fujiwara no Michizane!
The reason being, after work was done, 
there was plenty of time to spare...
Y era porque tras el trabajo,
tenían mucho tiempo libre.
A razão para isso era que, depois do
trabalho, eles tinham muito tempo livre...