Dohzi-T, Yu-A (Foxxi Misq) made "願い" available on October 8, 2008. 願い is about six minutes long, preciously at 5:40, making this song fairly long compared to other songs. There is only one song in 12Love Stories, so we believe that "願い" is a single. The popularity of 願い is currently unknown right now. The overall mood can be danceable to some, especially with it's high amount of postive energy.
The tempo marking of 願い by Dohzi-T, Yu-A (Foxxi Misq) is Vivace (lively and fast), since this song has a tempo of 169 テンポ. With that information, we can conclude that the song has a fast tempo. The time signature for this track is 4/4.
D Major is the music key of this track. This also means that this song has a camelot key of 10B. So, the perfect camelot match for 10B would be either 10B or 11A. While, 11B can give you a low energy boost. For moderate energy boost, you would use 7B and a high energy boost can either be 12B or 5B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 10A or 9B will give you a low energy drop, 1B would be a moderate one, and 8B or 3B would be a high energy drop. Lastly, 7A allows you to change the mood.