One Small Step is the theme song for "The Quartet of the Azure Beyond the Blue EXTRA1S/P."
Works and signatures
sprite listed this song as the theme song in the EXTRA1 production lineup, performed by KOTOKO. The story revolves around Mashiro Arisaka and Akira Hinata's date after they start dating.
Related entries
- Works used:The Quartet of the Azure Beyond the Blue EXTRA1S/P
- Performed by:KOTOKO
References
Data compiled on: 2026-10-07.