is a Japanese historical tale

Historical tale

Historical tale is a category of Japanese literature.Notable historical tales are:*A Tale of Flowering Fortunes *The Great Mirror *Today's Mirror *The Water Mirror...

 written in the early Muromachi period

Muromachi period

The is a division of Japanese history running from approximately 1336 to 1573. The period marks the governance of the Muromachi or Ashikaga shogunate, which was officially established in 1338 by the first Muromachi shogun, Ashikaga Takauji, two years after the brief Kemmu restoration of imperial...

 believed to be between 1368 to 1376. The author is not known but is believed to be Nijō Yoshimoto

Nijo Yoshimoto

, son of regent Nijō Michihira, was a Japanese kugyō , waka poet and renga master of the early Muromachi period .Yoshimoto's wife gave birth to Nijō Moroyoshi...

. It is the last of four works of mirror series and follow most recent events.

Masukagami is a twenty volume in total and follow events from 1183 to 1333 in accordance with the way Chinese classical historical tale were written. It starts with the accession of Emperor Go-Toba

Emperor Go-Toba

was the 82nd emperor of Japan, according to the traditional order of succession. His reign spanned the years from 1183 through 1198....

 and ends with Emperor Go-Daigo

Emperor Go-Daigo

Emperor Go-Daigo was the 96th emperor of Japan, according to the traditional order of succession....

's punishment of being deported to an island of Oki Province

Oki Province

was an old province of Japan which is now Shimane Prefecture. It was sometimes called . Oki province consisted of the Oki Islands in the Sea of Japan, located off the coast of the provinces of Izumo and Hōki....

. The story is told through a fictitious hundred years old Buddhist nun

Nun

A nun is a woman who has taken vows committing her to live a spiritual life. She may be an ascetic who voluntarily chooses to leave mainstream society and live her life in prayer and contemplation in a monastery or convent...

 of Seiryō-ji

Seiryō-ji

is a Buddhist temple in the Saga district of Ukyō-ku, Kyoto, Japan. It is also known as Saga Shaka-dō. It is devoted to the practice of Yūzū Nenbutsu. Initially, the temple belonged to the Kegon sect; then it became a Pure Land temple. The honzon is an image of Gautama Buddha . The wooden statue is...

.