Possibly written by an official named Yukinaga, it ends with the execution of Rokudai, the great-grandson of Kiyumori, after the titular group is defeated at the battle of Dan-no-ura.  
In an episode of this work, seven red cocks run away from a cockfight, after which a character decides to take his men to "Chasing Beach" and join the army encamped there.  At the beginning of the final book, a great earthquake hits the capital, after which a fradulent skull is employed to persuade a character to enter into revolt.  The first book ends with the burning of the inner palace following the uprising of the monks, and features a plot to assassinate a favorite of the abdicated emperor Toba on the last night of the Five Dancers Bountiful Radiant Harvest banquets.  Possibly written by an official named Yukinaga, it ends with the execution of Rokudai, the great-grandson of Kiyumori, after the titular group is defeated at the battle of Dan-no-ura.  FTP, name this work set during the later 12th century, which depicts the decline of the Taira clan and its defeat by the Genji.
In an episode of this work, seven red cocks run away from a cockfight, after which a character decides to take his men to "Chasing Beach" and join the army encamped there.  
the Tale of the Heike or Heike Monogatari