1. The theme song/opening song "Believe in Myself" is a song composed by Tetsuya Ouchi, written by an unknown person, and sung by Yang Kaikai. This song is included in the album "Pearl Mermaid Animation Soundtrack", released on 2006-06-21.

2. The theme song/ending song "Treasure Box of Love" is a song composed by Shingo Kobayashi, lyrics written by an unknown person, and sung by Yang Kaikai. This song is included in the album "Pearl Mermaid Animation Soundtrack", released on 2006-06-21.

3. The interlude "Legend Of Mermaid" is a song composed by Lin Haosi, written by Anonymous, and sung by Yang Kaikai/Qian Xinyu/Ma Junpei. This song is included in the album "Pearl Mermaid Animation Soundtrack", released on 2006-06-21.

4. The interlude "What is Love" is a song composed by Nagai Ruku, anonymously written and sung by Yang Kaikai. This song is included in the album "Pearl Mermaid Animation Soundtrack", released on 2006-06-21.

5. The interlude "Super Love Songs" is a song composed by Sheng Chenger, written by an anonymous person, and sung by Yang Kaikai/Qian Xinyu/Ma Junpei. This song is included in the album "Pearl Mermaid Animation Soundtrack", released on 2006-06-21.

6. The interlude "Star Jewel" is a song composed by Tetsuya Ouchi, lyrics written by an unknown person, and sung by Ma Junpei. This song is included in the album "Pearl Mermaid Animation Soundtrack", released on 2006-06-21.