Ankoku Tōgi Rinjūken!

Ankoku Tōgi Rinjūken! (暗黒闘技 臨獣拳!) is the theme for Rinjuken Akugata. It is unique in that the first half of the song is sung in Cantonese while the second half is in Japanese.
 * Artist: Kensaku Saitou (斉藤謙策)
 * Lyrics: Kensaku Saitou
 * Translation: 汪以文
 * Composition & Arrangement: Jack Den Yooru (ジャック・伝ヨール)
 * Chorus: Hideaki Takatori (高取ヒデアキ) & Rinshiis