"孤独に哀しみを、探しものに喜びを。" by ZUN/あきやまうに, 針の音楽 had its release date on October 6, 2019. Since This song is still less than 10 minute long, it is still considered a pretty long duration song compared to the average song length. This song does not appear to be explicit due to the lack of the "E" tag.