The Japanese dormouse is a small nocturnal rodent that is endemic to Japan and is known for its long, bushy tail.

The Heian period, which lasted from the 8th to the 12th century, was a time of great cultural and artistic achievement in Japan.

The Kamakura period, which lasted from the 12th to the 14th century, was a time of political upheaval and marked the rise of the shogunate.