The song "Every Heart" was first released in Japan and the Korean version is used as the end theme of anime Inuyasha.

[1] Miracle debuted at number four on the MIAK monthly album charted in September 2002, selling 129,210 copies within a week.

[2] It placed at number 17 on the year-end album chart for 2002, selling 265,360 copies in South Korea.

[2] BoA promoted the single "Valenti" on music programs in South Korea upon the release of Miracle.

It received a first place music program award on Inkigayo on November 10, 2002.