Egao no Riyū./Girigiri (笑顔の理由。/GIRIGIRI ? lit. Reason for the Smile./Borderline) is a single release by Sonar Pocket containing the 1st opening theme of the World Trigger anime series. The single was released in 4 versions, 2 Limited CD+DVD Editions and 2 Regular CD Only Editions.
Tracklist
Limited Edition A CD Tracklist
- Egao no Riyū. (笑顔の理由。)
- GIRIGIRI
- Egao no Riyū. (instrumental) (笑顔の理由。)
- GIRIGIRI (instrumental)
Limited Edition A DVD Tracklist
- Egao no Riyū. Music Video (笑顔の理由。)
- Egao no Riyū. Music Video Making and Off Shoot (笑顔の理由。 MVメイキング&オフショット)
Limited Edition B CD Tracklist
- GIRIGIRI
- Egao no Riyū. (笑顔の理由。)
- GIRIGIRI (TV size)
- GIRIGIRI (instrumental)
- Egao no Riyū. (instrumental) (笑顔の理由。)
Limited Edition B DVD Tracklist
- GIRIGIRI Music Video
- GIRIGIRI Music Video Making and Off Shoot (GIRIGIRI MVメイキング&オフショット)
Regular Edition A
- Egao no Riyū. (笑顔の理由。)
- GIRIGIRI
- Tanoshimase Tai!!! (タノシマセ隊!!!)
- Egao no Riyū. (instrumental) (笑顔の理由。)
- GIRIGIRI (instrumental)
Regular Edition B
- GIRIGIRI
- Egao no Riyū. (笑顔の理由。)
- Tanoshimase Tai!!! (タノシマセ隊!!!)
- GIRIGIRI (TV size)
- GIRIGIRI (instrumental)
- Egao no Riyū. (instrumental) (笑顔の理由。)