Recording Arranger: HwA - Featuring: Chowol - Recording Arranger: Seung Hyeon Kwak - Chorus: HwA - Chorus: Chowol - Mix Engineer: Si Man Hong - Mix Engineer: Min Seok Jung - Mastering Engineer: Namwoo Kwon - Producer: HwA - Producer: Seung Hyeon Kwak - Vocals: HwA - Vocals: Chowol