後生なんです。 by Sena Kiryuin Song Details

Sena Kiryuin's ' "後生なんです。" was released on its scheduled release date, November 5, 2025. With this song being around four minutes long, at 3:42, the duration of this song is pretty average compared to other songs. This track is safe for children and doesn't appear to contain any foul language, since the "Explicit" tag was not present in this track. There is only one song in 後生なんです。, so we believe that "後生なんです。" is a single. Based on our statistics, 後生なんです。's popularity is below average in popularity right now. Even with the track produces more of a neutral energy, it is pretty danceable compared to others.

BPM and Tempo

The tempo marking of 後生なんです。 by Sena Kiryuin is Allegro (fast, quick, and bright), since this song has a tempo of 140 BPM. With that information, we can conclude that the song has a fast tempo. This song can go great with jogging or cycling. The time signature for this track is 4/4.

Music Key

This song has a musical key of D♭ Minor. This also means that this song has a camelot key of 12A. So, the perfect camelot match for 12A would be either 12A or 11B. While, a low energy boost can consist of either 12B or 1A. For moderate energy boost, you would use 9A and a high energy boost can either be 2A or 7A. However, if you are looking for a low energy drop, finding a song with a camelot key of 11A would be a great choice. Where 3A would give you a moderate drop, and 10A or 5A would be a high energy drop. Lastly, 3B allows you to change the mood.

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