• Original Soundtrack from "what is your B?"
• track by YOON : 팥빙수
• Billlie/음반
• 틀:Billlie
• track by YOON: 팥빙수
• the collective soul and unconscious: chapter one
• Rate Your Music/목록
• 나무위키:제목이 긴 문서
• Billlie
• 걸그룹/역사