tripleS's Kim Nakyoung looks mysterious in teaser photos for her debut with the subunit Acid Angel From Asia.

tripleS have released the fourth teaser photo for their sub-unit debut with Acid Angel From Asia.

Acid Angel From Asia is a four-member sub-unit, and Kim Nakyoung is the younger sister of the popular solo artist BIBI. Nakyoung also appeared on the final episode of The Fan. 

Nakyoung was the 7th member to be revealed to be a member of tripleS.