よみかき算数、ぼくは空想, 東北ずん子, IA -ARIA ON THE's ' "流れる気持ち feat.IA with東北ずん子" was released on its scheduled release date, November 5, 2022. With this song being around four minutes long, at 3:49, 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.