Mistakenly titled "Darkness" on the album tracklist. A common mistake, first made by Konami itself, so I can't blame them.

Circle: M&Kカンパニー
Title: Darkness
Album: Whip Rush!!
Year: 2006
From: Castlevania: The Adventure

Arranged by Akihiro Miyasaka aka MIDISAKA
Website:
http://sound.jp/mkcompany/top.html