| Suzumu (スズム) is a producer most notable for making arrangement covers for both VOCALOID and non-Vocaloid works.
Suzumu often collabs with kemu under the credit SMC in kemu's videos. He also wrote the lyrics of the Bookmark of Demise Project. His first VOCALOID song in which he wrote both the music and lyrics was "Hitori no Kimi to Hitori no Boku ni".
Suzumu also often does arrangement covers for the utaites Soraru and Lon; Other notable works from Suzumu would be arrangement cover of Neru's "Tokyo Teddy Bear" and 150P's "Kodoku no Kakurenbo".