One in a Billion is a song performed by Wake Up, Girls! and May'n credited under Wake Up, May'n!.
History
One in a Billion was announced at the ANiUTa Live 2017 ANiUPa!! event. It is used as the opening theme to the anime Restaurant to Another World.
Releases
The song appears on the CD One in A Billion.
Audio
TBA
Lyrics
Video
TBA