Takao Naoki

- Shinku No Doushi: Time Fire No Theme
- Super Sentai Theme Song and Insert Song Complete Collection VII (Original Soundtrack) · 2004
- Freezing Midnight
- A Voice Of Love & Peace · 2006
- Shirobai Yarou Signalman
- Super Sentai Theme Song and Insert Song Complete Collection V · 2004
- Chase! Chase! Chase!
- Super Sentai Theme Song and Insert Song Complete Collection VII (Original Soundtrack) · 2004
- I Will Be Your Song
- I Will Be Your Song - Single · 2021
- The Flame in My Soul
- The Flame in My Soul - Single · 2020
- No More Lonely Christmas
- No More Lonely Christmas - Single · 2020
- If I Could
- If I Could - Single · 2020
- Lamentation
- Lamentation - Single · 2020
- Tropical Islands
- Tropical Islands - Single · 2020
- One Drop of Love
- One Drop of Love - Single · 2020
- When I Was Only a Boy
- When I Was Only a Boy - Single · 2009
- Pale Moon (feat. Takao Naoki)
- Humarhythm V · 2008