Yuna Ito sings for "Tenshi no Koi"Sun, September 20, 2009 (12:43am EDT)Singer Yuna Ito (25) will provide the theme song for the movie "Tenshi no Koi," directed by Yuri Kanchiku. Titled "Let it Go," it will be a rock tune composed by Superfly producer Koichi Tabo. Ito is a big fan of the mobile phone novel that the movie is adapted from. She has already released two songs associated with the novel, "miss you" and "LOVE MACHINE GUN." "Tenshi no Koi" stars model Nozomi Sasaki (21), who is actually good friends with Ito. The film opens in theaters on November 7, and "Let it Go" goes on sale on November 11.