プラネット・アビス
An [[UTAU]] song by the producer Satou Noco featuring [[Adachi Rei]]. Originally submitted anonymously as part of Mushoku Toumei Sai Ⅱ.

h4. External Links
* "Niconico (無色透名祭Ⅱ)":[https://www.nicovideo.jp/watch/so42906753]
* "YouTube":[https://www.youtube.com/watch?v=dGF9Czn2bt4]
planet abyss (utau)