Only One

Tracklist

• 1
  Only One
  3:13

More by Crystal Kay, YOON MIRAE

After Love -First Boyfriend- / Girlfriend

After Love -First Boyfriend- / Girlfriend 2009

Yoonmirae

Yoonmirae 2007

Best

Best 2003

Girl's Night

Girl's Night 2001

Hope & Jump

Hope & Jump 2026

ALL TIME BEST 25th Anniversary

ALL TIME BEST 25th Anniversary 2025

Release credits

• BXN
  producer, programming, vocal arranger
• Crystal Kay
  background vocals, vocal
• DAVIDIAMHIM
  vocal arranger
• KeeBomb
  producer, vocal arranger
• T-Kura
  producer, programming
• 고현정
  mix
• 권남우
  mastering
• 김준영
  assistant [1]
• 윤미래
  guest
• 지민우
  assistant [1]
• 최자연
  engineer, recording

Issues

• 

  O
  Only One

  Digital Media (hi-res)
  8 May 2026
• 

  O
  Only One

  Digital Media
  8 May 2026
• 

  O
  Only One

  Digital Media (music video)
  3 June 2026