Pierce × Guiar
- PierceONE OK ROCKGuiarベートーヴェン
- PierceONE OK ROCKGuiarはっしー
- PierceONE OK ROCKGuiarはっしー
- PierceONE OK ROCKGuiar明美
- PierceONE OK ROCKGuiarきーぢぇ
- PierceONE OK ROCKGuiartakakura
- PierceONE OK ROCKGuiar1collabろなミルク
- PierceONE OK ROCKGuiarかゐ 가이
- Pierce(−2)ONE OK ROCKGuiarゆきあつぴっぴ
- Pierce(off vocal)ONE OK ROCKGuiarえいじ。