was the sixth professional single by the Japan

Japan

Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...

ese band The Blue Hearts

The Blue Hearts

was a popular Japanese punk rock band that performed from the mid-1980s to the early-1990s. In 2003, they were ranked by HMV Japan as number 19 on their list of 100 most important Japanese pop acts...

. They had released one single as an independent group, making this the seventh single overall. The song was recut off of the group's third album Train-Train

Train-Train (album)

is the third album released by the Japanese band The Blue Hearts.-Track listing:#"Train-Train" #"Merry Go Round" #"Denkō Sekka" #"Missile" #"Boku no Migite"...

.

"Love Letter" is the first ballad that the group released as a single. Parts of the promotional video for the song, which was filmed in Hawaii

Hawaii

Hawaii is the newest of the 50 U.S. states , and is the only U.S. state made up entirely of islands. It is the northernmost island group in Polynesia, occupying most of an archipelago in the central Pacific Ocean, southwest of the continental United States, southeast of Japan, and northeast of...

, can be seen on the Blue Hearts ga Kikoenai

Blue Hearts ga Kikoenai

was a compilation video album released by the Japanese band The Blue Hearts. The video served to record the history of the band, from its formation in 1985 to its breakup in 1995.The video itself does not play any of the band's songs in its entirety...

, the band's video history. The B-side track, "Denkō Sekka" (電光石火 The Thunderbolt) originally had a chorus in the background on the single release, but it was removed on the album version.