- Koshi Miura・R.Yamaguchi
- GACHA・R.Yamaguchi・BIG BEAR
- Conroy George Forte Jr
- AKIO(一途T.R.X)・R.Yamaguchi
- Stephen McGregor・R.Yamaguchi
- Stephen‘Di Genius’McGregor・R.Yamaguchi
- ZURA & RODEM CYCLONE
- R.Yamaguchi・PETER MAN・ZURA
- R.Yamaguchi・i-Watch
- R.Yamaguchi・H.Tanaka
- Dalsim Rock・R.Yamaguchi
- R.Yamaguchi・JUMBO MAATCH・太華・SHIGE
- Minami(CREAM)・R.Yamaguchi
- R.Yamaguchi・アイコ sun・H.Tanaka
- Back Yaadie・R.Yamaguchi
- R.Yamaguchi・Manabu Kamishiro
- 774・R.Yamaguchi
- Zura・R.Yamaguchi
- H.Tanaka・R.Yamaguchi
- R.Yamaguchi・Spinna B-ill
