Krystal apologizes to fans who are waiting for f(x)'s comeback allkpop(01)

Krystal apologizes to fans who are waiting for f(x)'s comeback allkpop(01)

Image gallery: Krystal Swft

Krystal grabs everyone's attention with her captivating visuals on the first digital cover of Krystal apologizes to fans who are waiting for f(x)'s comeback allkpop Krystal Jung