"Refrain" (stylized as "REFRAIN") is a song by Mamoru Miyano, released as his fifth single. The single also included "Ao no Tsubasa", the opening theme song to the game Uta no Prince-sama. The song was released on October 21, 2009. Reception The single ranked #24 on the Oricon Weekly Singles Chart. Track listing Charts References 2009 singles 2009 songs J-pop songs Japanese-language songs King Records (Japan) singles Video game theme songs