SECRET reveals Hyosung's teaser photo for upcoming mini-album "Letter from SECRET"

SECRET's upcoming comeback is scheduled to take place on April 30th.

Their fourth mini-album is called "Letter from SECRET". The first teaser photo has been revealed and it features leader Hyosung.

The groups title track was produced by Kang Ji Won and Kim Ki Bum. The duo who created their past hit songs "Magic", "Madonna", "Love is Move", and "Poison" and many more.

Check out the teaser photo above.