Refrain (Mamoru Miyano song)

"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.