Prequel of Seiren 1. 8 Written by SOMA(소마) Produced by 2S, SOMA(소마) Arranged by 2S 2. Skit : The Tape 3. Boogeyman (Feat. OLNL) Written by SOMA(소마), OLNL(오르내림) Produced by Cosmic Boy, SOMA(소마), OLNL(오르내림) Arranged by Cosmic Boy [CREDIT] Executive Producer : SOMA(소마), 석찬우 Co-Producer : STONESHIP A&R : STONESHIP Mix & Mastering Engineer : Nahzam Sue @쑥고개 III Studio Art Work : 홍지선 Kid’s Voice : 이시헌(at Track No.1 '8') A&R Director : 석찬우 A&R Assistance : 정재호, 홍서원