AOA

As for You Kyung (Y), she is considered a "half-angel" as she is a member only when the group promotes as a band. Therefore, AOA were known as a "7+1" group. Two months after their debut, FNC Entertainment announced that the group would be making their first-ever comeback with a second single album "Wanna Be" on October 10.

Each member cosplayed different fictional characters for the album's concept. Hye Jeong, Ji Min, Cho A, Yu Na, Chan Mi, Min A, Seol Hyun and You Kyung dressed as characters from Kill Bill, Léon, Legally Blonde, Tomb Raider, Harry Potter, Breakfast at Tiffany's, Romeo and Juliet and The Fifth Element, respectively. The group's band unit, AOA Black, performed the band version of the title track "Get Out" during the first week of promotions on music shows.

On July 11, 2013, AOA Black announced their debut with the song "Moya". The single album of the same name and the title track's accompanying music video were released on July 26. Then in September, the group announced the release of their next single album, "Red Motion", set for release on October 15.

On the same day, the single album was released to moderate success. In December 2013, the group announced that they would be releasing their fifth single album, "Miniskirt", on January 16. Shortly afterward, FNC Entertainment announced that member Seol Hyun suffered from an injury, and that she would be absent from promotions for the time being.

AOA's first mini album, Short Hair was released on June 19 along with the title track's accompanying music video. The album was then promoted between June and July 2014. Later the same year, FNC announced that the group would be making their Japanese debut with the single "Miniskirt" on October 1.

During the second half of 2014, AOA announced their second Japanese single, "Like a Cat", would be released on February 25, 2015. On June 2, 2015, FNC announced AOA's comeback scheduled for later in the month. Then on June 22, their second mini album, Heart Attack, was released.

The eponymous song of the same name was selected as the title track, while the music video was released on the day of the album's release. The following month, their third Japanese single, "Heart Attack", was released on July 29. In August 2015, it was confirmed that AOA would be returning in Japan with a full-length album in October.

The first Japanese full length, Ace of Angels, was released on October 14. The album consistis of 11 tracks: eight songs from their three previously released singles in addition to three new Japanese original songs, including the title track "Oh Boy". On February 12, 2016, AOA's second official promotional subunit, AOA Cream (Yu Na, Hye Jeong, Chan Mi), made their debut with the single "I'm Jelly Baby".

On March 3, 2016, AOA announced that their fourth Japanese single, "Give Me the Love", would be released on April 20. In April, FNC announced that AOA would be making a comeback with their fourth mini album, Good Luck, on May 16. On October 15, 2016, FNC Entertainment announced through the AOA fan cafe that their drummer You Kyoung had left the group and terminated her contract with the agency.

However, she would still continue activities as a guest member for any future AOA Black projects. On November 30, AOA released their second Japanese full-length, Runway. On January 2, 2017, the ...