Nightmare

Credits

• BANGKOK
  arranger
• Cazzi Opeia
  background vocals
• Ellen Berg Tollbom
  background vocals
• IRENE
  vocal
• JOY
  vocal
• Maxx Song
  task, vocal arranger
• Red Velvet
  background vocals, performer
• SEULGI
  vocal
• WENDY
  vocal
• YERI
  vocal
• 김주현
  recording
• 노민지
  editor, recording, task
• 서미래
  editor, task, vocal arranger
• 장우영
  recording
• 정의석
  mix