悪魔の使い (Akuma no Tsukai)

Akuma No Tsukai is a song sung by Kaito Fuga, Kiyoteru Hiyama, and Gackpo Camui with Rin Kagamine and Len Kagamine doing the chorus. It is the two-hundred-and-twenty-fourth track in Other Vocaloid Songs 7: Mostly Kaito, the twenty-fourth track in Other Vocaloid Songs 12: Mostly Rin Volume 2, and the one-hundred-and-fifty-fourth track in Other Vocaloid Songs 26: Mostly Len Volume 2.