The song was first uploaded on July 15th 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, arrangements, and was even featured in the album's such as EXIT TUNES PRESENTS Vocalonexus and EXIT TUNES PRESENTS Gumism . It's hit singles can also be purchased from iTunes store for 150 yen.
The song is about saying goodbye to your loved one. Due to the same composer, lyrics, illustrator, and singer, many have suspected it's somehow related to DECO*27's other hit Coward Montblanc.