『僕の彼女は人魚姫!? Refine 主題歌 – 軌跡』
My Girlfriend is a Mermaid!? Theme Song – Kiseki

| Artists |
| Oto-hime (Tamako Miyazaki) 乙姫(CV.宮崎珠子) |
| Alternative Game Title |
| Boku no Kanojo wa Ningyo Hime!? Refine |
| Release Date | |
| Ocotober 31, 2022 |
| Tracklist |
| 01. 軌跡 |

| Artists |
| Oto-hime (Tamako Miyazaki) 乙姫(CV.宮崎珠子) |
| Alternative Game Title |
| Boku no Kanojo wa Ningyo Hime!? Refine |
| Release Date | |
| Ocotober 31, 2022 |
| Tracklist |
| 01. 軌跡 |