"KEY OF HEART" is the twentieth Japanese single by BoA, released on August 9, 2006. BoA-1512504580 Tracklist Edit CD Edit KEY OF HEART DOTCH DVD Edit KEY OF HEART (video clip) Categories: BoA BoA Discography Singles Japanese Releases 2006 Releases Add category Cancel Save Community content is available under CC-BY-SA unless otherwise noted.
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