或いはテトラの片隅
A song for [[gumi|GUMI]] by YurryCanon.

* "NicoNico video":[http://www.nicovideo.jp/watch/sm28944536]
* "YouTube video":[https://www.youtube.com/watch?v=MlvBKnHhHSc]
arui wa tetra no katasumi de (vocaloid)