13일 공식 컴백을 예고한 엄정화가 7일 타이틀곡 '엔딩크레딧'의 티저 영상을 공개했다. (맨 아래)

영상과 함께 공개된 컨셉 이미지들을 모아봤다.

A post shared by MYSTIC Ent. Official Instagram (@themystic89) on Dec 6, 2017 at 4:00am PST

A post shared by MYSTIC Ent. Official Instagram (@themystic89) on Dec 6, 2017 at 4:00am PST

A post shared by MYSTIC Ent. Official Instagram (@themystic89) on Dec 4, 2017 at 5:00am PST

A post shared by MYSTIC Ent. Official Instagram (@themystic89) on Dec 4, 2017 at 5:00am PST

A post shared by MYSTIC Ent. Official Instagram (@themystic89) on Dec 5, 2017 at 5:00am PST

A post shared by MYSTIC Ent. Official Instagram (@themystic89) on Dec 5, 2017 at 5:00am PST

A post shared by MYSTIC Ent. Official Instagram (@themystic89) on Dec 7, 2017 at 4:00am PST

A post shared by MYSTIC Ent. Official Instagram (@themystic89) on Dec 7, 2017 at 4:00am PST

이번 10집 'The Cloud Dream of the Nine - 두 번째 꿈'에 수록된 이효리와의 듀엣곡 'Delusion'의 티저 영상도 아래에서 볼 수 있다.