The song was first uploaded on July 15, 2010. It only took the song one day (32 hours) for it to reach hall of fame (100,000 views), one month to reach one million views, and two months to reach two million views. It's been covered by various utaites, has numerous arrangements, and was even featured in the albums EXIT TUNES PRESENTS Vocalonexus and EXIT TUNES PRESENTS Gumism. Its hit singles can also be purchased from the iTunes store for 150 yen.
The song is about saying goodbye to your loved one. Because it has the same composer, lyrics, illustrator, and singer as DECO*27's other hit Coward Montblanc, many have suspected the songs are somehow related.