Tsuyoshi SOLO + Compose
- Slowly (B Album)
- Samazama Ni Ai (C Album)
- Jyuuni Gatsu - December (D Album)
- Hyakunen no Koi (E Album)
- WINTER KILL (F Album)
- Purity (REA Album)
- Sayonara Angelina (REA Album)
- GIRASOLE (REA Album)
- Arukidanutsa Natsu (REA Album)
- WE NEVER KNOW (REA Album)
- Panic Disorder (REA Album)
- Dekiai Logic (REA Album & 1st solo single: Machi)
- Luna (REA Album)
- Kokoro No Koibito (REA Album)
- Aruki dashita no Natsu (REA Album)
- Luna (REA Album)
- Girasole (REA Album)
- Hana (REA Album)
- Anata (REA Album - a song for he wrote for Kouichi)
- Machi (1st solo single, theme song of Yume no california)
- Boku ga iu Yasashisa Toka (1st solo single: Machi bonus track on limited edition)
- Konokoi Nemurou (recent single [kokoro ni yume...], the 17th single's bonus track in normal edition)
- Toriko (sung by Imai Tsubasa in Hatachi concert (T & T))
- Kimi ni aeta Junigatsu (a song especially composed for Junichi Okada of V6)
- Hira Hira (F album)
- Boku dake no Love Song
- Momo (song composed leisurely in Donnamonya & request by fans to put it in album so its recorded under rea live con)
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Kouichi's SOLO + Compose
- MY WISH (B Album)
- Peaceful World (C Album)
- Eien no Hibi (D Album)
- ~so young blues~ (E Album) - (only music, lyrics by another person because he is busy with filming of Rookie...)
- Tsukiyo No Monogatari (F Album)
- Solitude ~Hontou no Sayonara~ (theme song of Remote, 15th single (same name) & F album)
- I (18th single-(Hakka Candy) bonus track)
- Jealous train (not sure if its composed by him...)
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KinKi Kids compose
(music by kouichi lyrics by tsuyoshi)
- KinKi no Yaruki Manman Song (9th single)
- Ai no Katamari (13th single)
(music by tsuyoshi & lyrics by kouichi)
- 5 x 9 = 63 (15th single - bonus track)
P.S. a portion of their composing history above�c I believed there are more that I might have leave out�c