ばぶちゃん – Releska

螺鈿の骨 || Mother of Pearl

Vocals: 初音ミク (Hatsune Miku)
Lyrics: ばぶちゃん (Babuchan)
Composed by: ばぶちゃん (Babuchan)
Release date: 5 September 2012

Vocals: 初音ミク (Hatsune Miku)
Lyrics: こもりうた (Komoriuta)
Composed by: ばぶちゃん (Babuchan)
Release date: 1 July 2013