a・chi-a・chi

- Step
- Mashin Hero Wataru Music Collection · 1988
- Tenshi Ga Oritekuru Gogo
- Everlasting · 1992
- Suna To Kaze No Rondo
- Rondo · 1994
- Step (Sendai Phil ENTAME-TEIKI LIVE)
- MASHIN HERO WATARU & WATARU 2 "Omoshiro Kakkoii Concert" (Live) · 2025
- See you again (Sendai Phil ENTAME-TEIKI LIVE)
- MASHIN HERO WATARU & WATARU 2 "Omoshiro Kakkoii Concert" (Live) · 2025
- Step by Step (Sendai Phil ENTAME-TEIKI LIVE)
- MASHIN HERO WATARU & WATARU 2 "Omoshiro Kakkoii Concert" (Live) · 2025
- a・chi-a・chi Adventure (Sendai Phil ENTAME-TEIKI LIVE)
- MASHIN HERO WATARU & WATARU 2 "Omoshiro Kakkoii Concert" (Live) · 2025
- Dream Balloon
- Cho Mashin Hero Wataru Song Collection · 1999
- Honesty
- Cho Mashin Hero Wataru Song Collection · 1999
- Again
- Cho Mashin Hero Wataru Song Collection · 1999