Original (by ZUN):
キャプテン・ムラサ
Captain Murasa
Minamitsu Murasa's Theme
Undefined Fantastic Object Stage 4
Arrangement: yasu (honeypocket)
Vocals & Lyrics: aki (honeypocket)
Circle: A1 / A-One
HP:
http://www.a1-label.com/Album: DYSTOPIA
Catalogue Number: A1CD-0004
Released at Comiket 77