"Miracle" is a bubblegum pop dance song written by Yoon Hyosang, and produced by Lee Soo Man for Super Junior 05's first album, Twins. The song was mixed by Lee Sunghoo of SM Yellow Tail Studio and it was originally published by Orec Songs, with the support of BMG Music Publishing Korea, the original title of the song being "Life Couldn't Get Better."

"Miracle" is Super Junior 05's second promotional single for the album after "TWINS (Knock Out)." It was first performed on February 12, 2006 on SBS's music program, Popular Songs. Promotional performances for the track began on February 14, 2006, soon following the release of the single's music video on February 24, 2006. "Miracle" is Super Junior's third performing single after "TWINS (Knock Out)" and "Show Me Your Love." It was also the second song produced by SM Entertainment that topped overseas music charts in Thailand of Channel V, the first being TVXQ's "Rising Sun." Promotional activities for "Miracle" continued well throughout March and April until the release of their first official single, "U" in May.

The single topped Airplay charts and remained #1 for three consecutive weeks.

A Mandarin cover of "Miracle" was performed by Super Junior 05's Mandopop sub-unit, Super Junior-M, which was released in Super Junior-M's debut album, Me. The dance break in the song is slightly remixed and a bass vocal is added to complement the main vocals of the song. The Chinese title is translated to "You Are My Miracle."

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Wikipedia