Crystyle is the fifth Korean extended play (seventh overall) recorded by South Korean girl group CLC. It was released on January 17, 2017, by Cube Entertainment and distributed by CJ E&M. "Hobgoblin" was released as the lead single. To promote the EP, the group performed on several South Korean music programs, including Music Bank and Inkigayo. A music video for the title track, was also released on January 17.

The EP was a peaking at number 10 on Gaon Album Chart and at number 6 on US World Albums. The album has sold 5,769 physical copies as of February 2017.

On December 27, 2016, CLC confirmed that they would be releasing a new album in January, with a different concept from the group's existing image. It was also stated that their new album aimed to show a more charismatic, hip-hop and chic image.^[1][2] On January 4, 2017, CLC released the album art for their fifth extended play titled Crystyle which would be released on January 17, 2017.^[3] On January 10, CLC released a "Goblin"-concept photo.^[4]

The album's title track "Hobgoblin" is an EDM trap song written by Hyuna, Seo Jaewoo, Big Sancho and Son Youngjin, people who had previously worked the 4Minute song "Crazy".^[5] The song and its music video were released simultaneously with the album.

Crystyle entered at number 10 on the Gaon Album Chart on the chart issue dated January 15–21, 2017.^[6] In its second week, the EP fell to number 40.^[7] In its third week, the EP climbed to number 28, dropping the chart the following week.^[8]

The EP sold 3,975 physical copies, placing at number 30 on the Gaon Album Chart for the month of January 2017.^[9]

In the US, the mini-album entered and peaked at number 6 on Billboard's World Albums on the week ending February 4, 2017.^[10] In its second week, the EP fell to number 10.^[11]