In the meantime

In the meantime is sung by. The song lyrics were written by, the song was composed by , and it was both composed and arranged by.

In the meantime was originally released within the game on September 8, 2017. It becomes available in normal lives after clearing Part 3 Chapter 14.4. In the meantime was released on September 20, 2017 as part of the REGALITY Album.

In the meantime 's instrumental was used for the Part 3 video preview.