Bushin Gikyoku武神戯曲 ; Beijing Opera ; L'Opéra de Pékin ; Story of Beijing Opera ; The Story of Beijing Opera

From Fifay.net: Tokyo, 2002. Tatsuaki dares to learn something novel to the most of Japanese: Beijing Opera. One day, he receives a Kouu mask from his master. Just for fun he put it on and is instantly transported back to Beijing, circa 1924! So begins Tatsuaki's adventures in the Beijing Opera House.