Complex sentence: FNC confirmed that the group would be making a comeback with a second single album "Wanna Be" on October 10, the album cover was released along with the announcement; the album cover depicted the eight members as different fictional characters.
Split into simpler sentences: FNC confirmed that the group would be making a comeback with a second single album "Wanna Be" on October 10. The album cover was released along with the announcement, depicting the eight members as different fictional characters.