Jigoku Ningen Doubutsuen (地獄型人間動物園, lit. Human Zoo of Hell) series includes VOCALOID songs composed by many producers under the lead of main producer rerulili.
Pages in category "Jigokugata Ningen Doubutsuen Series Songs"
“ rerulili or less known as ToushahiP, is a producer. rerulili has produced several notable songs...