X Japan providing the theme song for Osamu Tezuka’s “Buddha”

Rock band X Japan is providing the theme song for an animated film based on Osamu Tezuka’s manga "Buddha." The song, titled "Scarlet Love Song," is a ballad written by band leader Yoshiki. It will begin playing in theaters on December 23 when the movie’s trailer premieres.

"Tezuka Osamu no Buddha -Akai Sabaku yo! Utsukushiku-" is planned to be the first film in a trilogy based on "Buddha." Directed by Kozo Morishita, the movie features a voice cast that includes Sayuri Yoshinaga, Masato Sakai, Junko Takeuchi, and Hidetaka Yoshioka.

"Scarlet Love Song" will reportedly be included on X Japan’s album planned for release next spring. "Tezuka Osamu no Buddha" will open in theaters on May 28, 2011.