One of a kind is the theme song for 'Aoi no Kanata no Kanata no Quartet EXTRA2S/P'.
Works and signatures
The singer is Riya from Eufonius. In addition to the theme song, EXTRA2 also uses its original soundtrack; The official website lists this version separately from other episodes.
Soundtrack and 10th anniversary collection
"EXTRA2 Vocal & Sound Collection" lists this song and its original soundtrack as tracks 1 and 2. The 10th Anniversary Vocal Collection also includes this song on track 12 on Disc 1, and the original soundtrack version on track 9 on Disc 2, both credited to riya (eufonius).
Used in EXTRA2 matches
During the 2022 EXTRA2 match between Misaki and Minamoe, this song played alongside their showdown.
Related entries
- Works used:The Quartet of the Azure Beyond the Blue EXTRA2S/P
- Performed by:riya
References
- sprite：Aokana EXTRA2
- sprite: Official Music track catalog
- Kohei: Aohi EXTRA2 impressions and Rokuba FC commentary
Data compiled on: 2026-10-07.