Happy to Begin is the ending theme song for 'Aono Kanata no Kanata no Kanata no Quartet EXTRA1S/P'.
Works and signatures
The ending theme of EXTRA1, performed under the name Mashiro Arisaka, corresponds to the story after she becomes a couple.
Included in the 10th anniversary vocal collection
Track 11 of Disc 1 of the "10th Anniversary Vocal Collection" includes the version sung by Mashiro Arisaka; Track 8 of Disc 2 also includes a vocal version of Ceui.
Related entries
- Works used:The Quartet of the Azure Beyond the Blue EXTRA1S/P
- Character Title Performance:Mashiro Arisaka (The Quartet of Aono Kanata)
References
Data compiled on: 2026-10-07.