RetroKa$hi, Yu$e's ' "Luffy!" was released on its scheduled release date, October 2, 2020. For a fairly short song, this song is "Luffy!" is considered an explicit song with a duration of 1:38. Because this song is the only song in Luffy! and no other songs are present in the album, we classify this track as a single. Based on our statistics, Luffy!'s popularity is unknown right now. Even with the track produces more of a neutral energy, it is pretty danceable compared to others.

Luffy! テンポ

We consider the tempo marking of Luffy! by RetroKa$hi, Yu$e to be Allegro (fast, quick, and bright) because the track has a tempo of 130 テンポ, a half-time of 65テンポ, and a double-time of 260 テンポ. Based on that, the speed of the song's tempo is fast. Activities such as, walking, can go well with this song. The time signature for this track is 4/4.

Luffy! キー

This song has a musical key of C Major. This also means that this song has a camelot key of 8B. So, the perfect camelot match for 8B would be either 8B or 9A. While, 9B can give you a low energy boost. For moderate energy boost, you would use 5B and a high energy boost can either be 10B or 3B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 8A or 7B will give you a low energy drop, 11B would be a moderate one, and 6B or 1B would be a high energy drop. Lastly, 5A allows you to change the mood.